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底段
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  bottom segment
     In order to research the frequency and energy characteristics and mechanisms of notches in QRS complexes,three dimensional spectrum analysis based on wavelet transform was applied to observed low limit frequency (LF) and relative energy of high frequency components (W value) concealed in notch segment (N)R wave peak segment (RP) and S wave bottom segment (SB) in QRS complexes of myocardial ischemia rabbits.
     为探讨QRS波群中切迹的频率特性、能量特性及切迹发生机理,运用多采样率线性小波转换的三维频谱分析,观察兔急性心肌缺血时QRS波群中的切迹段(N),R波峰段(RP)及S波底段(SB)的下限频率(LF)和高频相对能量(W值)的变化。
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  “底段”译为未确定词的双语例句
     The angles between lobar bronchus and BⅥ,BⅦ,BⅧ,BⅨ,BⅩ were 88.1°±1.7°,8.2°±3.5°,20.2°±2.8°,15.8°±2.6°and 16.7°±3.6° separately.
     相邻底段支气管内径无显著差别。 BⅥ、BⅦ、BⅧ、BⅨ和BⅩ的夹角分别为88.1°±1.7°、18.2°±3.5°、20.2°±2.8°、15.8°±2.6°和16.7°±3.6°。
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     The bronchus of the left lower lobe usually divided into four segmental bronchi,namely the apical (B~6), the antero-medial basal (B~(7+8)), lateral basal (B~9), and the posterior basal (B~(10)).
     左下叶恒定的段支气管有四支,即尖段支气管(B~6),前内侧基底段支气管(B~(7+8)),外侧基底段支气管(B~9)和后基底段支气管(B~(10))。
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     Methods:The distribution of the NOS containing fibers and terminals in the rat cerebral arteries was studied by NADPH d histochemistry method.
     方法 :采用NADPH d组织化学的方法观察大鼠颈内动脉脑底段、大脑前、中、后动脉及基底动脉的NOS阳性纤维和终末分布。
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     Replacement of Tower Bottom for 500 kV Transmission Lines
     500kV送电线路更换铁塔底段塔材
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     The anatomic study on the segment of the Internal Carotid Artery(ICA) in the base of skull and cranial nerves around it and its clinical values
     颅底段颈内动脉与周围脑神经的解剖学研究及临床意义
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  相似匹配句对
     Applied anatomy of the skull base part of abducens nerve
     颅展神经的应用解剖
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     The anterior cranial base region,especially in the area of sphenoidal region,changed downwards.
     前颅区的S-SE向前下方改变。
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     3, horizontal section.
     3.水平
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     ON SECTION WEAVE
     论组织
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     The City in Black
     图城市
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  bottom segment
The geometry of the loop is described by three distinct parts: a straight bottom segment (attached to a stationary fly rod), a semi-circular segment that is propagating (i.e.
      
Behavior of a floating elastic plate during vibrations of a bottom segment
      
The Wiener-Hopf technique is used to obtain an analytical solution for the problem of vibrations of a floating semi-infinite elastic plate due to earthquake-induced vibrations of a bottom segment.
      
The surface-wave amplitudes and ice-plate deflection are studied numerically as functions of the frequency and position of the vibrating bottom segment, ice thickness, and fluid depth.
      
Behavior of a floating elastic plate during vibrations of a bottom segment
      
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The pattern of branching and distribution of the blood vessels in the right lower

1.解剖了50个成人的右肺下叶,详细观察了右下叶血管的分支情况。 2.上段动脉(A~6)的发起、分支类型都进行了观察。A~6是一支型者68%,其中二分支者50%,三分支者18%;二支型者30%;三支型者2%。 3.在19例有B~*(22支)的标本上,有A~*27支。1例可有A~*1—3支,但以1支者较多(13例)。在43例有BX_(10)~*(57支)的标本上,有AX_(10)~*59支。 4.A~7是一支型者78%,其中34%的A~7单独起于肺底段动脉,其余的与其他动脉合干。A~7是二支型者22%。根据A~7与肺底段静脉的关系又可分成四型,Ⅰ、Ⅱ型占68%,Ⅲ型占10%,Ⅳ型占22%。A~8的普通型只有22%,与其他动脉合干者44%,分二支发起者34%,故A~8的变异远比B~8为多。A~9的普通型只有44%,而B~9的普通型有82%,故A~9的变异亦比B~9多。A~9分二支发起者38%,与其他动脉合干者16%。A~(10)包括有A_a~(10)与A_b~(10)两个分支者有98%,其中有5例,自A~(10)或A_b~(10)发出A~*、A_b~7或A_b~9。 5.上段的静脉汇合成一...

1.解剖了50个成人的右肺下叶,详细观察了右下叶血管的分支情况。 2.上段动脉(A~6)的发起、分支类型都进行了观察。A~6是一支型者68%,其中二分支者50%,三分支者18%;二支型者30%;三支型者2%。 3.在19例有B~*(22支)的标本上,有A~*27支。1例可有A~*1—3支,但以1支者较多(13例)。在43例有BX_(10)~*(57支)的标本上,有AX_(10)~*59支。 4.A~7是一支型者78%,其中34%的A~7单独起于肺底段动脉,其余的与其他动脉合干。A~7是二支型者22%。根据A~7与肺底段静脉的关系又可分成四型,Ⅰ、Ⅱ型占68%,Ⅲ型占10%,Ⅳ型占22%。A~8的普通型只有22%,与其他动脉合干者44%,分二支发起者34%,故A~8的变异远比B~8为多。A~9的普通型只有44%,而B~9的普通型有82%,故A~9的变异亦比B~9多。A~9分二支发起者38%,与其他动脉合干者16%。A~(10)包括有A_a~(10)与A_b~(10)两个分支者有98%,其中有5例,自A~(10)或A_b~(10)发出A~*、A_b~7或A_b~9。 5.上段的静脉汇合成一支V~6者82%,二支V~6者18%。V~8、V~9与V~(10)汇成上下肺底段静脉。上下肺底段静脉的组成型式分正常型(52%)、异常型(12%)与分裂型(36%),其中以V~8与V~9汇成上肺底段静脉,V~(10)移行成下肺底段静脉的正常型最多,占34%。上下肺底段静脉汇成肺底段静脉者有90%。右下叶静脉由肺底段静脉与一支型V~6汇成者有70%。

The middle meningeal artery vein and the bony canal or groove passed by theanterior branch of the middle meningeal artery in pterion region were observed andmeasured on the head of 30 cadavers.The left middle meningeal artery is longerthan the right and the anterior branch of the middle meningeal artery is largerthan the posterior.If the groove passed by the anterior branch is shallow anddoes not form a canal,the anterior branch can easily be separated from the groove and can be used to anastomose with the branches...

The middle meningeal artery vein and the bony canal or groove passed by theanterior branch of the middle meningeal artery in pterion region were observed andmeasured on the head of 30 cadavers.The left middle meningeal artery is longerthan the right and the anterior branch of the middle meningeal artery is largerthan the posterior.If the groove passed by the anterior branch is shallow anddoes not form a canal,the anterior branch can easily be separated from the groove and can be used to anastomose with the branches of the middle cerebral artery-If the groove is deep or has become a canal,the anterior branch is always dam-aged when the dura mater is raised.Histological examination shows that the mid-die meningeal artery seems to go between the venous sinuses which are oftenthought to be the venae comitantes of the middle meningeal artery.

观察和测量了30例颅底段的脑膜中动、静脉以及前支通过翼点区的骨沟或骨管。脑膜中动脉总干左侧长于右侧,前支大于后支。前支动脉沟较浅,未形成骨管者易游离,可考虑作大脑中动脉分支的吻合血管;如骨沟过深并形成骨管时,则撕揭硬脑膜常致前支断裂。对总干和前后支及其伴行静脉断面的组织切片观察查明,极似脑膜中动脉走行于静脉窦样的结构中。以往认为的伴行静脉,很可能是脑膜中窦。

This paper proposes a kind of analysis of sinking performance while filling-in water in float laying of offshore pipeline and a calculation model of the pipeline on which wave and current act simultaneously. An approximate solution is obtained with Laplace transformation to handle the pipe on sea bottom and by utilizing weighted residuals method and Brown method of solving non-linear equations. Finally, an example is given to show the calculation procedure.

本文在分析现有海洋管道漂浮敷设充水下沉模型基础上,提出了一种同时考虑海底土壤与波浪流联合作用下充水下沉时管道的分析计算模型。借助于Laplace变换处理着底段管道,利用加权余量法和解非线性方程组的Brown算法,获得了该问题的近似解。文中算例说明了有关计算过程。

 
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