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汉语拼音：jiāo biàn

波形从零到极大值，再回到零值（或正或负）的变化，等于半个周期。

1. 谓相对的卦象相互替变。

   清 钱大昕 《十驾斋养新录·六十四卦》：“八卦皆两两相对，相对之例，或取交变，乾坤、坎离、震巽、艮兑是也。或取反復，震艮、巽兑是也。”

• Hot strip working roller endure the major alternating load on line, if control unsuitable easy to cause accident occurrence.

  热轧带钢工作辊在轧制生产中，承受较大的交变载荷作用，在轧制生产中如果控制不当，极易出现轧制事故。

• Requirement: A few streaks in the sweeping area are allowable and will not affect the range of vision. No streaks are much more favorable.

  要求：扫刷区域允许少量小条纹，交变湿热试验箱，但不影响视野，无水痕最佳。

• We carried on a simple numerical analysis to the instantaneous friction coefficient of the oscillating flow in the parallel regenerator.

  对板叠式回热器中交变流动瞬时阻力系数进行了简单的数值分析。

• The experiment primarily indicates that oscillation shear stress maybe a factor that cannot be ignored in the incidence and developing. . .

  实验结果初步表明，交变脉动的切应力是导致内皮细胞损伤进而引起动脉粥样硬化斑块发生和发展的一个不可忽略的因素。

• Under the alternative load, fatigue crack extension tends to happen and leads to leakages in the high-stress area.

  在交变载荷作用下，高应力区易发生疲劳裂纹扩展，导致泄漏。

• when load cycles increases to a certain degree, the effect of alternate load is better than that of unidirectional load.

  当加载周期增大到一定程度后，交变载荷比单向载荷对残余应力的松弛效果更好。

• The alternate system allows signal installations along a given length of road to show contrary indications.

  交变系统，使一段给定路段上的信号器，展现相反的指示。

• The crack propagation rate got from the test ia low, so the loop with crack could be re-used in regular monitoring condition.

  试验表明该材料在交变热应力下的裂纹扩展速率缓慢，带裂纹的管道在监督下可以继续运行。

• Due to alternating amplification and deep feed-back loop, the stability and linearity of the magnetometer are promoted.

  采用交变模拟信号处理电路、深度负反馈网路提升仪器的稳定性和线性度；