| 1. | Design of tower crane ' s complete frequency changing system
塔式起重机变频成套系统设计 |
| 2. | Methods of structural damage detection based on frequency change
基于频率变化的结构损伤识别方法 |
| 3. | Design of frequency change air - conditioner temperature adjuster based on fuzzy control principle
基于模糊控制原理的变频空调温度调节器的设计 |
| 4. | A concentration of receptor cells in their inner ear makes bats extremely sensitive to frequency changes
一些蝙蝠内耳里的受体细胞的集中使它们对频率的变化极其敏感。 |
| 5. | It was proved that frequency change square ratio was a parameter for damage location and damage degree in a structure
结果表明，结构频率的平方变化比是损伤位置和损伤程度的函数。 |
| 6. | How frequency changes with time is the thing designers concern most . the importance of frequency measurement is easy to see
无线电波信号频率随时间的变化关系往往是设计人员最为关心的信号特征之一。 |
| 7. | More attention is paid to the starting response of the motor , considering the effects of the different start positions , the parameters of the motor and the frequency changes of the source
文章着重分析了电机的起动过程，讨论了不同起动位置、电机的参数以及电源的频率变化时对电机起动的影响。 |
| 8. | The fh signal is a kind of non - stationary signal that the frequency changes non - linearly along with the time . however , the time - frequency analysis technique is the powerful tool to deal with these signals
跳频信号是一种频率随时间非线性变化的非平稳信号,而时-频分析是分析这类信号的有力工具。 |
| 9. | Since iron hearts of a very similar role to iron core magnetic - fluid changes will enable the inductance with the electrical frequency change , and therefore affect the dynamics of the electrical performance
5 .由于爪极铁心中的涡流作用引起铁心磁导的变化，也就使电机的电感随频率而变化，因此影响电机的动态性能。 |
| 10. | A new study reveals that the calls contain frequency changes that dolphins recognize . humans are one of the few animals that use sound modulation instead of simple voice differences to identify individuals
举例来说，如果是海豚妈妈在呼喊小海豚，那么人们认为这只小海豚能够从妈妈的喊叫声中识别出自己的“名字” 。 |
