after space造句

• After space vehicles reach destined orbit , locking device will be unlocked and space arms are released . so locking device must be reliable , which is the key to the mission of the space arm
  这就要求空间机械臂的锁紧装置稳定、可靠,该锁紧装置能否可靠工作直接关系到空间机械臂能否顺利完成预期任务。
• The fem is a method of which transform the partial differential - coefficient equation ' s initial and boundary value issue to ordinary differential - coefficient equation ' s initial and boundary value problem ( after space disperse ) or a set of regular algebra equation
  有限元法在数学上是将偏微分方程的初边值问题划归一组常微分方程的初值问题(在空间离散化之后)或一组规则代数方程。
• One of them , as a new asynchronous motor control technique , the direct torque control ( dtc ) technique attracts more and more attention after space vector control technique because of its robust characteristics , simple realization and excellent dynamic response
  其中直接转矩控制技术( dtc )作为继矢量变换控制之后发展起来的又一项新型现代交流电机控制技术，以其控制简单、鲁棒性强、动态性能好的优点得到了越来越广泛的重视。
• Zero - expansion models satisfy the request of space structures for they can possess high dimensional stability in temperature - change fields . the surface morphology , electrical conductivity and spectral reflectivity of al / kapton films before and after space environment simulated tests were
  对于al / kapton薄膜试验分别采用原子力显微镜、四探针电阻测量仪、紫外可见分光光度计测试其空间环境试验后的表面形貌、面电导率、光学反射率。