本文分析了空化噪声的基本特性。
The essential character of cavitation noise has been analysed.
而超声空化是很多超声应用的重要机理。
And a lot of ultrasonic cavitation is an important mechanism of ultrasound.
空化现象是水轮机中难以避免的主要危害。
Cavitation is the main harm in turbine, which is difficult to avoid.
而在另外一些情况下，则可有控制地利用空化机制。
Only in some special cases the cavitation mechanism could be used under control.
本文对物体空化噪声与运动速度之间的相互关系进行了分忻。
The present paper analyzes the relationship between the body speed and THS cavitation noise.
在高环境压强下，必须采取特殊的减压措施才有可能实现空化。
To cavitate jet in high pressure environment, special decompression measure must be undertaken.
接着本文对不同初始半径的单个空化泡在刚性壁面附近的溃灭过程进行了研究。
Then the collapse process of different initial radius single bubble near rigid wall is studied.
初始化一个空堆栈，将结果字符串变量置空。
首先，该代码使用一个空构造函数实例化一个DDXQDataSource对象。
First, the code instantiates (with an empty constructor) a DDXQDataSource object.
在去除编组之后的字段值将一直保持是空值，因为它的值没有被序列化或反序列化。
This field will always have the value null after unmarshalling because.
在去除编组之后的字段值将一直保持是空值，因为它的值没有被序列化或反序列化。
This field will always have the value null after unmarshalling because.
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