The resort still preserves a feeling of exclusivity.这个度假胜地仍然保持着极少部分人专享的情调。recipes for jams and preserves果酱和蜜饯的制作方法Mother made some plum preserves.母亲做了一些蜜饯洋李....
The equivalent model has good applicability for strong nonlinear Duffing systems.该等效模型对强非线性杜芬系统具有良好的适用性.This paper deals with analytical approximate solutions to the Duffing - Harmonic oscillator by a new method.用一种新方法研究...