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tools     
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  工具
     Research on Theory,Method,Key Technologies and Software Tools of Rapid Design for Mechanical Products
     机械产品快速设计原理、方法、关键技术和软件工具研究
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     Research on the Multi-Agent Environment and Tools for Program Understanding Based on Compound Code Repository
     基于复合代码仓库的多Agent程序理解环境和工具研究
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     Study on FTL Concurrent Design Oriented Software Tools
     面向柔性生产线的并行设计软工具研究
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     Manufacturing Environment and Process Plan Modelling Based on O-O and STEP Technology and Development of the Tools
     基于O-O与STEP技术的制造环境和工艺计划模型研究及其工具开发
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     Research on Methods and Tools of the Information Network Analysis and Design
     信息网络分析与设计的方法与工具研究
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  刀具
     A New Method for Analysing and Calculating Angles on Cutting Tools
     分析和计算刀具角度的一种新方法
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     The Application of the Method of Rotating Coordinate Points to the Design of Gear Cutting Tools
     坐标点转动法在齿轮刀具设计中的应用
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     Study on Machining Hardened Steels and High Stsength Steels with Ceramic Tools
     陶瓷刀具加工淬硬钢和高强钢的研究
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     A Study of Cutting Force on Coated Carbide Tools
     涂层硬质合金刀具切削力的研究
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     INFLUENCE OF TITANIUM CARBIDE CONTENT IN CARBIDE TOOLS ON TOOL WEAR
     硬质合金刀具材料中碳化钛含量对其耐磨性的影响
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  工具的
     The Research on Power-Grid Fast Modeling and Hardware Acceleration for EDA Tools
     电源网格快速建模与EDA工具的硬件加速技术研究
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     STUDY ON SPECIAL-PURPOSED HYDRAULIC TOOLS OF CHASSIS FOR KOMATSU D80A—12 BULLDOZERS
     D80A—12型推土机底盘专用液压拆装工具的研制
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     Design of CAP-14 Cross Simulating Tools
     CAP-14交叉模拟软件工具的设计
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     Failure Patterns and Repairing Methods of Downhols Tools
     井下工具的失效形式与修复方法
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     EVALUATION AND SELECTION OF EXPERT SYSTEM DEVELOPMENT TOOLS (ESDT)
     专家系统开发工具的评价与选择
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  的工具
     Workflow management system is the development and implementation of workflow tools and platforms.
     工作流管理系统(Workflow Management System)是开发和执行工作流的工具和平台。
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     First, tools used in process chain management, its task and structure.
     本文首先简要说明了过程链管理应用的工具、过程链管理的任务和构造。
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     Java 2 Platform, Micro Edition (J2ME) provides the developers great tools, that it transplants the characteristics of the centralized network and platform agnosticism of the Java to the limited memorizer and limited processor device.
     Java 2平台袖珍版(Java 2 Platform, Micro Edition(J2ME))为开发者提供了伟大的工具,它把Java平台的以网络为中心和平台不可知论的特性移植到有限存储器和有限处理器的设备。
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     Fault Tree Analysis as a method for System Reliability Analysis is considered one of the simplest, most effective and prospective tools for analyzing complicated system .
     故障树分析(Fault Tree Analysis)是一种分析系统可靠性的方法,被公认为是对复杂系统进行可靠性分析、预测、设计的最简单、最有效、最有发展前途的工具之一。
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     And many control tools, such as X-Y Matrix、PFMEA、GageR&R、Process Capability Analysis、Regression Analysis, impenetrate all theimprovement activities.
     其中运用了多种6Sigma的工具如:X-Y Matrix、PFMEA、Gage R&R、Process Capability Analysis、RegressionAnalysis等加以辅助分析。
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      tools
    There are two well known combinatorial tools in the representation theory ofSLn, the semi-standard Young tableaux and the Gelfand-Tsetlin patterns.
          
    In addition to the standard cohomological tools in algebraic geometry, the proof crucially relies on the nonvanishing of certain 3j-symbols from the quantum theory of
          
    They are potential tools for the decomposition and handling of signals that, like speech or music, seem over short intervals to have well-defined frequencies that, however, change with time.
          
    In other cases, parametrices and other tools of microlocal analysis are effective.
          
    In this article we develop analytical and computational tools arising from harmonic analysis on the motion group of three-dimensional Euclidean space.
          
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    The isothermal transformation of austenite in a ball-bearing steel within thetemperature range between martensite point M and room temperature has been investigated by electrical resistance measurements.The steel employed was ofcommercial production containing 1.43% Cr and 1.02% C and its martensite pointis 159℃ when quenched from 1100℃.The specimen was first quenched toroom temperature(in which state it contained 17% retained austenite),and thenupquenched to isothermal bath in which its transformation was followed.Theeffect...

    The isothermal transformation of austenite in a ball-bearing steel within thetemperature range between martensite point M and room temperature has been investigated by electrical resistance measurements.The steel employed was ofcommercial production containing 1.43% Cr and 1.02% C and its martensite pointis 159℃ when quenched from 1100℃.The specimen was first quenched toroom temperature(in which state it contained 17% retained austenite),and thenupquenched to isothermal bath in which its transformation was followed.Theeffect of tempering of martensite was eliminated by employing two specimens ofdifferent martensite contents.1)By comparing the kinetics of isothermal transformation below and abovemartensite point,it was concluded that isothermal transformation below M pointtakes place by the martensite process and not by intermediate transformation(bainitic),in.spite of the presence of large amount of martensite and relativelyhigh temperature at which the transformation takes place.2)From kinetics considerations it appears that isothermal transformationof retained austenite to martensite takes place not by the formation of new nuc-lei but mainly by the growth of already existing martensite.This would alsoinfer that coherency between martensite and austenite is not destroyed(or notcompletely destroyed)during quenching transformation.3)The tempering of martensite appears to be the controlling process forthe isothermal transformation of retained austenite to martensite,such that theelastic strain energy relaxed by tempering of martensite exceeds the difference offree energies between the two phases.The activation energy of tempering ofmartensite within the temperature range considered(below 150℃)was found tobe 13,300 cal/mol,which compares favourably well with the value of 16,000 cal/molas given by Averbach and Cohen in 1953.4)The results show that isothermal keeping for prolonged duration at theneighbourhood of 100℃ brings about maximum amount of transformation of re-tained austenite.That is,at either higher or lower temperatures and for a speci-fied time,the amount of austenite-martensite transformation is less.This is signifi-cant for practical heat-treating of precision gauges and tools for which dimen-sional stability is important and high temperature tempering may not be de-sirable for hardness consideration.

    用电阻法研究了含1.43%Cr,1.02%C的滚珠钢在室温到马氏体点(159℃)温度范围内奥氏体等温转变过程。结果指出在这一温度范围内的等温转变是以马氏体转变的形式进行的,而不产生中温转变形式的等温转变。当样品由1100℃淬火至室温后再“上淬”至低于马氏体点的温度进行等温保持时,部分的残留奥氏体即等温转变为马氏体。根据动力学的考虑,这一转变很可能不是通过形成新的晶核,而是已有马氏体晶体的长大过程。同时,这种转变主要受已有马氏体回火过程的控制。在100℃左右长期等温保持时可以得到最大的残留奥氏体转变量。更高或更低的温度,在同一时间内转变量都较100℃左右为小,这可作为精密量具刃具实际热处理的参考。

    Because of the fact that there exists a mathematical identity between the statically indeterminate moments in the compatibility equation and the fiber stresses in the equation of eccentrically loaded columns, in analyzing singly-connected (single cell) rigid frames with degree of redundancy not more than 3, it is usually possible to use the familiar formula for short columns eccentrically loaded to analyse the indeterminate moments, which is called the column analogy. This method which is simple and straight-forward,...

    Because of the fact that there exists a mathematical identity between the statically indeterminate moments in the compatibility equation and the fiber stresses in the equation of eccentrically loaded columns, in analyzing singly-connected (single cell) rigid frames with degree of redundancy not more than 3, it is usually possible to use the familiar formula for short columns eccentrically loaded to analyse the indeterminate moments, which is called the column analogy. This method which is simple and straight-forward, is becoming one of the convenient tools in structural analysis.For multi-connected (multi-cell) rigid frames which are composed of many singly-connected rigid frames and have degree of redundancy more than 3, the analysis becomes more difficult and the column analogy cannot be applied directly. Generally the moment-distribution method is used and the column analogy is only used for the determination of various constants such as fixed-end moments, stiffness factors and carry-over factors for use in the method of moment distribution.The present paper gives an extension of the column analogy, making it applicable to the analysis of multicell problems. Each cell is analogized by a single column. The influences of the common member of two neighbouring cells are studied and the results are represented by corrections in the load and moments carried by the column. Once the -corrected loading for each cell is determined, further computation is just the same as in the ordinary column analogy.

    在解析小於三次靜不定的單空剛構時,由於變形諧調條件中,靜不定彎矩的關係式與直柱偏心受壓中應力的關係式形式相似,常可利用在材料力學中已熟悉的偏心受壓柱公式來幫助解析,這就叫做柱比分析法。方法簡明,不易錯誤,為計算上很便利的方法之一。 由許多單空剛構組合起來的多空剛構的靜不定次數大於三,解析即比較繁雜,不能直接採用柱比法。通常可採用彎矩分配法,而僅用柱比法來求出各個桿件的各種常數,如傳遞係数、分配係數等,供分配法运算之用。 本文將柱比法予以推廣,使能應用到多空剛搆的解析。方法系将每一“空”看成一個柱,研究相鄰两“空”间共同桿件的影响,進而修正柱上所负担的荷重。求得每一個空的修正荷重後,计算即与一般的柱比法相同。

    A newly designed chart—fronal θ_(se) chart is presented as a tool for frontalanalysis.This tool is applied to the analysis of the upper boundary of cold-wave fronts in China for two cases.It is found that the θ_(se) over the upperfrontal boundary is far from uniform and the θ_(se) value of maximum changesrather considerably with time.By means of this the authors try to demonstratethat the frontal surface is not a simple material surface always consisting ofsame set of air particles,but rather a structure...

    A newly designed chart—fronal θ_(se) chart is presented as a tool for frontalanalysis.This tool is applied to the analysis of the upper boundary of cold-wave fronts in China for two cases.It is found that the θ_(se) over the upperfrontal boundary is far from uniform and the θ_(se) value of maximum changesrather considerably with time.By means of this the authors try to demonstratethat the frontal surface is not a simple material surface always consisting ofsame set of air particles,but rather a structure with its own mechanism ofmetabolism,subjecting continuously frontogenetic process.The significance ofthis findings for frontal analysis and numerical forecasting is also discussed.

    本文提出了锋面假相当位温(θ_(se))图作为分析锋面的一种工具.根据个案例子的锋面上界 θ_(se)图分析,发现锋上 θ_(se)还不是均一的,并且它的极值随时间有着相当可观的变化.本文讨论了这结果,指出这表明锋面不是一个简单地总是由同一物质总组成的物质面,而是在锋前锋后连续不断的经历着锋生锋消过程,有着它自己的新陈代谢的一种构造.最后讨论了这些事实在锋面分析和数值预报上的意义.

     
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