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- Through comparing several kinds of time-frequency distributions, CWD is consideredas a perfect distribution, which is very fit for time-frequency analysis with high resolution and can compress cross terms effectively. 通过几种二次型时频分布的对比分析,认为CWD在具有较强的时频聚集性的同时又较好的对交叉项进行了抑制,适合于进行爆破振动信号的时频分析。
- Nothing in the world is flawless and perfect. 世上没有十全十美的东西。
- The weather during our holiday was perfect. 我们度假时的天气好极了。
- The project is far from perfect. 这项企划很不完美。
- What's the secret of baking perfect bread? 烤出好面包的秘诀是什么？
- He didn't have perfect attendance this year. 他今年有缺勤。
- I have perfect trust in my friend. 我完全信赖我的朋友。
- They live in perfect accord with each other. 他们生活在一起十分融洽。
- The distribution of the magazine is 2000. 该杂志的销售量为2000份。
- He has perfect poise and never seems embarrassed. 他的神智安宁，似乎从没困惑过。
- On that occasion he looked a perfect fool. 在这个场合，他看起来就像一个大傻瓜。
- The hat and shoes are a perfect match. 这顶帽子和鞋子完全相配。
- We have a good product but our distribution is bad. 我们的产品很好,但销售情况不佳。
- The distribution is as tabled below. 其分布情形如下表。
- She has the perfect credentials for the job. 她做这工作完全够格。
- His demeanour has always been that of a perfect gentleman. 他的举止始终是属于正人君子的模样。
- I have the most perfect confidence in your indiscretion. 我对你的轻率鲁莽具有全副信心。
- The soldiers showed perfect discipline under fire. 士兵在枪林弹雨中严守军纪。
- This snow's perfect for a snowball fight. 这雪打雪仗极好。
- The weather is perfect for a garden party. 这是举行露天聚会的理想天气。
