往复

The main contents are listed as follows: 1. Nine square concrete-filled thin-walled steel tubular columns with stiffeners (six specimens with longitudinal stiffeners in two directions and three specimens with longitudinal stiffeners in one direction) have been experimentally investigated under combined constant axial load and lateral cyclic load in order to get their hysteretic behavior.

具体进行了以下几方面工作：(1)共进行了9根设肋方形薄壁钢管混凝土柱(6根双向设纵向加劲肋、3根单向设纵向加劲肋)在恒定轴力和往复荷载作用下的滞回性能试验研究。

According to the d'alembert principle, the piston moving characteristics must be identified firstly to analyze its reciprocating inertia force.

根据达朗伯原理，为分析作用在活塞上的往复惯性力，需要先确定活塞的运动特性。

Also,the pulse velocity of drilling fluid declined with increase of gas content.The drilling fluid pulse transmitting up and down along well bore had refraction and reflection components similar to damped oscillation at the boundary of system.

脉冲传输速度对含气量非常敏感，随着含气量的增加，传输速度迅速下降；沿井筒往复传播的钻井液脉冲在系统边界处将产生折射和反射，类似于阻尼振荡；钻井液粘度是影响脉冲信号衰减速度的一个重要因素。

In l960 an American psychiatrist named William Dement published experiments dealing with the recording of eye- movements during sleep.

1960年美国精神病学家WilliamDement发表了人在睡眠吋眼球活动的实验记录。活塞快速的往复运动。

But a great of such paper were vertical hung like this and that and the taste and quality of each paper were polymerized and stacked again and again with massive texture, large cubic, narrow distance and iterative layer made me an intuition of dispirit and indistinction, caused by that I got the title from the works of Jia Pingwa.

可许多张这样的纸如此这般地直立悬置在一起，每一张纸的质味在重复中叠加与聚合，粗砾的肌理、硕大的体量、逼仄的距离、往复的层次，让我生出颓败与困顿的直觉，这才借得贾平凹先生的书名来用。

Double-action and back and forth once every two to complete action suction drainage.

而双作用式每往复一次完成两次吸排水动作。

By the use of electromagnetic oscillation mechanical philosophy,make a electromagnetic driver have straight reciprocate power plant,frequency and amplitude controllable,can apply to in the domain of household appliance,thus contrive some new type product different use.

潘宁利用电磁振动力学原理，制造一种具有直线往复推动工作动力、工作频率或振幅可控的电磁激振器应用在家用电器方面，从而设计出一些不同用途的新产品。

According to the illustration of the operating principle, construction features of the etcher, commissioning results and technical performance were presented.

针对大尺寸基底往复扫描条形离子束来实现大面积刻蚀的特点，实验测试了基于射频感应耦合等离子体离子源大型离子束刻蚀机的性能。

The apparatus for converting side-to-side to rotational motion for a workpiece includes a spring assembly with a movable base mounting element which is driven in a slightly arcuate reciprocal side-to-side motion and a fixed mounting element spaced apart from the base element and mounted in the appliance so that it does not rotate or move in operation of the apparatus.

一种将工作件的侧向运动转换为旋转运动的装置，包括弹性组件，带有作微小弧线往复侧向移动的可移动的基体固定件，和与基体件间隔开的固定的固定件，其固定在器具上在器具操作时不会转动或移动。

The vibration of motorcycle caused by inertia force of the machine such as piston ,link and so on which transfer and rotate up and fro is an important and troublesome problem in motorcycle industry by now.

摩托车发动机的活塞、连杆等机构的往复惯性力引起的振动始终是困扰摩托车行业的一个大问题。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了