World socialist movement underwent a historical process of undulating, tortuous development in the 20th C.

Their physical fitness level was continuously strengthened, but their endurance level was undulating.

身体素质不断增强，但耐力素质呈波浪变化。

An analysis and calculation of the transformer annexe copper loss caused by transformer load undulating

电力变压器负荷波动附加铜损及其计算

Orthogonal curvilinear grid generation technique used for numeric simulation of geophysical fields in undulating surface condition

用于起伏地表条件下地球物理场数值模拟的正交曲网格生成技术

Reasons for the biuret undulating in end urea product and settle measures

成品尿素缩二脲波动的原因分析及其处理

It also teaches and enables them to undulate their body more.

还可以使初学者加大身体的波浪起伏，学会身体的波动。

Afterward, the calculation process of the finite element method on undulate topography is introduced.

然后介绍了起伏地形条件下有限单元法的计算流程，并对所采用的模拟程序进行了验证。

Potential transformation techniques on an undulating observed profile

剖面曲线上的位场转换系统

The Popularization and Application of Undulate-Increasing Curve

波浪增长曲线的推广形式及应用

The analysis that the terrain undulate affect the precision homing weapon

地形起伏效应对精确制导武器的影响分析

Study on the RS Image Preprocessing for Undulate Terrain Area

地形起伏地区的遥感影像预处理研究

Research on Design of Freeway Low Embankment in Plain Lightly Undulate Area

平原微丘区高速公路低路堤设计研究

Numerical modeling of DC electrical field interpolation on two dimension undulate topography

二维起伏地表直流电场插值法数值模拟

Group ⅰ showed: double peak to valley, large undulating range.

结果表明，老年高血压组的动态血压波动规律呈双峰双谷型，血压波动范围大；

A Method of Forming Initial Highway Design Profile Automatically by the Undulate Degree

用起伏度自动生成公路初始设计纵断面

The undulating movement of the surface of the open sea.

外海海面的波浪形的运动。

Research on detecting method of harmonic and undulate for electric arc furnace

电弧炉电气系统的谐波及波动的检测方法研究

Dynamic Simulation of the Undulating Pressure in a Well and Its Affecting Factors

井内波动压力动态模拟及影响因素

The determination of the components of radiation balance in an undulating country

起伏地形中辐射平衡各分量的计算

Tom drives fast on worn-out tires, he is asking for trouble.

汤姆用磨损的轮胎开快车，简直是自找麻烦。

But without me, I am afraid that you can only wear the worn-out ones.

要是没有我，恐怕你只能穿破衣服啦。