Microtubule dynamic instability allows probing for microtubule anchor sites, and can be coupled to spindle positioning force generation.
微管的动态不稳定性允许探测微管锚网站，并可以结合主轴定位部分的构成。
Firstly, a series of reference systems, related to GPS navigation positioning system, such as timing system, reference frame and force model system, are discussed in detail.
本文详细地论述了与GPS导航定位系统一系列有关的参考系统：时间系统、坐标系统和力模型系统。
Under the OSSS contract, Harris provided operations, maintenance and support services to the Air Force Satellite Control network and Global Positioning System ground networks.
根据这份OSSS合同，哈里斯公司为美国空军卫星控制网络和GPS地面网络提供了运行、维护和支持服务。
The paper expounds the principle and the method of measuring zenith distance for celestial positioning based on the direction of gravitational force line.
论述了在海上进行天文定位时以重力线作基准直接测定天体顶距的原理和方法。
A kind of bistable switch actuated by inertial force is proposed according to precisely positioning characteristic of bistable mechanism.
基于双稳态机构精密定位特性，提出一种惯性力致动双稳态开关方案。
The machine for the Four-column press, using optimized hydraulic drive program, with a strong driving force, accurate positioning and a perfect combination of actions.
本机为四柱式压力机，采用优化的液压传动方案，具有强大的动力，精确的定位和完美的动作组合。
The predetermined force loading device is composed of a loading flange, a bearing ring for positioning the axis, and an elastic washer arranged between the bearing ring and the loading flange.
所述的预定力加载装置由加载法兰、用于轴定位的轴承挡圈和在轴承挡圈和加载法兰之间的线弹性垫圈组成。
Silicon micro -optical force sensors were also developed to study and optimize the geometry and operation procedure of the microinjectors and self-assembly positioning chip.
研制了硅微光学力传感器，并用来研究和优化显微注射器自组装定位芯片的几何结构和操作程序。
As a kind of linear motor, linear force motor usually is used as an actuator in positioning or switching control system for hydrometric servo valves and so on.
直线力电机是直线电机的一种，主要是作为执行器应用于电液伺服阀等位置伺服或开关量控制系统。
But in this system, the cutting force is directly imposed on the system and is a direct disturbance. This may affect the control system to be unstable and to reduce its positioning accuracy.
但加工过程中切削力会对系统造成直接干扰引起系统不稳定和定位精度下降。
But in this system, the cutting force is directly imposed on the system and is a direct disturbance. This may affect the control system to be unstable and to reduce its positioning accuracy.
但加工过程中切削力会对系统造成直接干扰引起系统不稳定和定位精度下降。
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