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机械时间
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  mechanical time
     According to the basic factors of the oil film deforming process and with the dectromeehanical analogy. we defined the mechanical time constant and electnic time constant, and found out the mathematical model of The deforming process.
     文中对油膜形变复杂过程中的主要因素,用机-电类比法进行模拟分析,从而定义出机械时间常数,并建立油膜形变过程中的数学模型。 这对于研究油膜显示技术内在规律是十分有意义。
短句来源
     For the speed servo system of the two-phase motor, analyzing its mechanical property and adjusting property while it is worked by amplitude control, factors to affect the two-phase motor dynamic characteristic are proposed, which are changes of its mechanical time constant and its gain factor.
     对于两相交流电机的速度伺服系统,分析在幅值控制时系统的机械特性与调节特性,提出了影响两相交流伺服电机动态性能的因素是系统的机械时间常数及增益系数的变化。
短句来源
     To prevent the dynamic characteristic of the system from being worse, as changes of its mechanical time constant and its gain factor, a simple following model reference adaptive control method can be used to improve the dynamic characteristic of the system and increase its controlling precision, by adjusting the model and the self-adaptive set.
     为了防止因机械时间常数及增益系数的变化而引起的动态特性变差,采用一种简易跟随模型参考自适应控制方法,通过模型与自适应机构的调节作用,改善两相交流伺服电机系统的动态特性和控制精度。
短句来源
     Methods Velocities of abdominal aortic wall motion were measured in ninety one patients with essential hypertension. Electro mechanical time(EMT),pre ejection period (PEP) and the patient height(H) were measured and recorded respectively,and pulse wave time (PWT) was defined as EMT-PEP and relative pulse wave velocity (RPWV) as H/PWT.
     方法 对91例原发性高血压患者的腹主动脉前壁(AAo)进行PW DTI检查,结合同步心电图描记,测量电机械时间(EMT)、左室射血前期时间(PEP)、脉搏波时间(PWT,PWT=EMT-PEP); 同时测量患者身高(H),计算相对脉搏波速度(RPWV,RPWV=H/PWT)。
短句来源
     In the paper,the rariation laws of mechanical time constant is analyzed,as well as the relationship of electrical time constant and electromechanic time constant.
     文中分析了机械时间常数的变化规律以及同电气时间常数和机电时间常数之间的相互关系。 测试证明,各时间常数之间的关系结论对理解时间常数和工程应用具有一定指导意义。
短句来源
  machine time
     The Research for Test Measure of Machine Time of DC Servo System
     直流伺服系统机械时间常数测试方法的研究
短句来源
     The method of least square estimation tests more precisely than traditional mathematic and experimental methods,and solves the problem for testing machine time constant of angle limited systems.
     此方法比传统的数学解析法和实验法测试准确,并解决了转角范围受限的系统机械时间常数测试的难题。
短句来源
     The method of least square estimation tests more precisely than traditional mathematic and experimental methods, and solves the problem for testing machine time constant of angle limited systems.
     此方法比传统的数学解析法和实验法测试准确,并解决了转角范围受限的系统机械时间常数测试的难题。
  “机械时间”译为未确定词的双语例句
     Meanwhile the patient was measured electromechanical time(EMT) and left ventricular pre-ejection period(PEP) by DTI. According to PWT2=EMT-PEP,PWV2=L/PWT2,PWV2 was got.
     30例患者并行DTI法测量电-机械时间(EMT)、左室射血前期(PEP)、求出脉搏波传递时间(PWT2),PWT2=EMT-PEP,再求出PWV2=L/PWT2。
短句来源
     Atrial contraction time and electromechanical time were acquired by TDI on left and right atrioventricular annulus level (LA and RA, LP-A and RP-A). Their dispersion were calculated(T and TT).
     采用TDI技术分别测量左心室侧壁二尖瓣环处和右心室侧壁三尖瓣环处的心房收缩及电-机械时间(LA、LP-A和RA、RP-A),并分别计算LA与RA、LP-A与RP-A之间的差值(T、TT)。
短句来源
     Based on the analysis of the characteristics of the М577 fuse, the preliminary study is necessary to establsh the new system.
     在分析美国M577引信基本特点的基础上,提出了建立机械时间引信新体制以及实现这个新体制应当开展的一些预研课题.
短句来源
     Left and right atrial electromechanical time(LP-A,RP-A) was acquired by TDI.
     采用TDI分别测量心电图P波起始至左心室侧壁二尖瓣环处和右心室侧壁三尖瓣环处Aa波起始点的心房电-机械时间(LP-A和RP-A)。
短句来源
     The time from the onset of QRS to the onset of S wave at the lateral mitral annulus ( mQ-so) and tricuspid annulus (tQ-so) were measured and the difference between the two values were determined ΔQ-so.
     二、三尖瓣外环电机械时间mQ-so,tQ-so及ΔQ-so。
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  mechanical time
It is shown that the quantum-mechanical time-evolution operator has anabsolutely continuous spectrum of quasienergies, indicating a strong irregularity in the motion of the quantum system.
      
The quantum mechanical time reversal operator is represented by an operator acting in a space of abstract matrix fields.
      
The quantum mechanics and the theory of general relativity are consistently united in this context if one uses this notion of local and quantum-mechanical time.
      
These dynamic properties for individual afferents were fit with a simple transfer function that included three parameters: a mechanical time constant, a gain constant, and a fractional order distributed adaptation operator.
      
The net is opened and closed at the mouth by mechanical time-release devices, and can be hauled from small ships on hydrographic wire.
      
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  machine time
Evaluation of the system coefficients and its solution require significant machine time expenditures on powerful electronic computers.
      
This makes it possible to achieve the required accuracy using much less machine time and memory.
      
The method allows an aerodynamically sound transition from the three-dimensional system of equations of gas dynamics to a two-dimensional system, which considerably simplifies the problem and reduces by an order the machine time required.
      
The model tries to minimize the non-productive machine time.
      
Though one more step of the interpolations is added in the procedure, there is no significant increase in total machine time spent.
      
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According to the basic factors of the oil film deforming process and with the dectromeehanical analogy. we defined the mechanical time constant and electnic time constant, and found out the mathematical model of The deforming process.

文中对油膜形变复杂过程中的主要因素,用机-电类比法进行模拟分析,从而定义出机械时间常数,并建立油膜形变过程中的数学模型。这对于研究油膜显示技术内在规律是十分有意义。

The effect of mechanical time constant of indicating instrument which may cause the difference between recordings and instrument readings for some types of interference test receivers is analysed. The maximum possible errors in CISPR defined A,B,C,D frequency bands are calculated according to the methodology of frequecy domain analysis in linear system. It may reach +11dB for measuring long period pulse interference. To avoid this error,a network simulating the indicating instrument is recommended.

本文分析了某些干扰测量仪由于在记录通道中未考虑电表机械时间常数引起的记录值和电表读数不一致的原因,并根据线性系统频域分析理论导出可能导致的最大误差为+11dB。最后提出了采用模拟电表网络来避免这一误差的方法。

The paper presents a relatively detailed discussion of the weak points of the old mechanical timed fuse and the limitations in its further development. Based on the analysis of the characteristics of the М577 fuse, the preliminary study is necessary to establsh the new system.

论述了旧体制机械时间引信的弱点,论证了这一体制继续发展和衍生的局限性;在分析美国M577引信基本特点的基础上,提出了建立机械时间引信新体制以及实现这个新体制应当开展的一些预研课题.

 
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