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1.In this paper, we consider the anti-periodic boundary value problem for a class of nonlinear second order diffenertial equations.
摘要在这篇文章中，我们考虑了一类非线性二阶常微分方程反周期边值问题。收藏指正
2.However, such an "anti-periodic table of elements" is thought to be, at best, highly unlikely, as the quantities of antimatter required would be, quite literally, astronomical.
然而，如此的一个被想象的“元素反周期表”，充其量,可能性不大,照字面上理解如同必需的反物质的量会是大得无法估计那样。收藏指正
3.The tests concentrate on the characteristics of the start-up, the abrupt change of heat load, the periodic change of heat load, anti-gravity capability and the operation in different orientations.
主要考察了系统的启动特性、功率突变测试、反重力性能、周期性工作特性以及不同姿态下运行性能等。收藏指正
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