undulance是什么意思_undulance怎么读_undulance的用法_翻译_短语搭配_权威例句

同近义词

• n.起伏；波状

  fluctuation   /   wavilness

权威例句

1. The Researching Report of Undulance 'Crack' on RT Negation of Explosive Welding Stainless Complex Steel Pressure Vessel and Head Plate

爆炸焊不锈复合钢制压力容器和封头RT波状裂纹的试验研究

2. In the force of quality causing the bent axle rounding evenly, the flywheel is fixed so that the current and the voltage fluctuation with the crank angle, which can cause undulance greatly in the electric moto, does not overtake the value permitting.

在曲轴上安装飞轮的目的是增大转动惯性使曲轴尽可能均匀旋转，避免由于阻力矩随曲柄转角发生周期性变化过大而导致电动机中的电流波动和电压波动超过允许值。

3. The daily variation of CG lightning flashes assumes a form of unimodal undulance, with the peak over 60 times from 18:00 to 21:00 and at 01:00 and the valley below 10 times from 10:00 to 13:00. Lightning flashes occur more frequently at night than in the daytime.

地闪活动具有明显的日变化，总体呈单峰单谷形式，地闪频次在60以上的峰值时段是18：00~24：00和01：00，频次在10以下的谷值时段是10：00~13：00，夜间闪电活动明显大于日间。

4. Simulation results show that targets can be found more easily in cumulus or stratus than in undulance cloud, because undulance cloud is more abrupt change in its intensity.

结果显示，在积状云和层状云背景中的目标识别较容易，在波状云中的目标识别较难。