起伏

His voice would go up and down.

他的声音很有起伏。

But the teen population has bottomed out and is now on the upswing.

但是青少年的人口而且现在已经降至最低点且现在还在起伏。

For years I have been monitoring my vacillating moods and the effect they have on my work.

多年来，我一直在监测自己起伏不定的心情以及它们对我工作的影响。

The paper Gives detailed analysis for virtual target integration technology in virtual space, the method of VE model simplification and the three-dimensional animation question that the posture changes of the rocket gun garage which is variable motion in VE of naturally undulating features of terrain.

主要针对虚拟空间虚拟对象数据的融合问题、虚拟环境模型的简化算法以及在具有自然起伏地形特征的虚拟环境中，变速运动的火箭炮车行为姿态变化的三维动画问题进行详细的分析。

The irregular variation of lattice constants of the a-LiIO3 single crystal originated in the growth process and the fluctuation phenomena of lattice constants under the action of an electrostatic field were investigated by an X-ray double-crystal spectro-meter in the arrangement.

本文用X射线双晶衍射平行排列的方法，观察了α-LiIO_3单晶体生长过程点阵常数a与c不规则的不均匀性以及在静电场作用下c的起伏现象。观测出在静电场作用下a与c的变化和沿电场方向晶体表面层存在点阵常数的梯度。

Without considering the EM effect and using the generalized variational structure principle, It can get the corresponding variational structure equation.

通过用四面体单元和三棱柱单元对大地模型进行剖分、插值、总体集成，最后解方程，实现了在水平地形和起伏地形条件下频率域激电参数的正演模拟。2。

Whether you choose Velcro or lace ups is a personal choice for you .

无论你选择或花边起伏39.6%是个人的选择了你。

This verdure relieved the eye, so longwearied by the continued ranges of granite.

看了绵延起伏的花岗石丘陵，再看这一片苍翠的绿荫，不禁使他们感到满目清凉。

During the storms, to the magnetic field vertical component of magnetic declination and there has been a marked ups and downs, but most features of the horizontal component of H.

在磁暴期间，地磁场的磁偏角和垂直分量都有明显起伏，但最具特征的是水平分量H。

The surrounding landscape was dotted with delicate Iris flowers highlighting the undulating carpet of Vetiver grasses.

娇小的鸢尾花点缀着周围的景观，突出高低起伏的香根草地。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。