The external condition could induce the change of piezoelectric field in superlattices and further induce the change of tunneling current.
外界条件可引起超晶格中内建电场的变化，进而引起隧穿电流的变化。
The permeable condition of shale reservoirs with stress releasing has been improved, and the current stress field controls the stress distribution of strata.
构造应力释放区的泥岩储层渗透条件得到改善，现今应力场控制着地层压力的分布。
Designs on motor field and structure, controller main circuit current commuting mode design, TMS320F240 least system and system program consider system normal operation under fault condition fully.
电机场路结构设计、控制器主回路换流模式设计、TMS320F 240最小系统设计、程序设计充分考虑了故障应急状态下系统正常运行必要条件。
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