您要查找的是不是：
- harmonic protective device ( HPD ) 谐波保护器
- She subscribes to an animal protection society. 她捐款给一个动物保护协会。
- Experimental research on harmonic protection of reactive power compensation device for low voltage line 低压线路无功补偿装置谐波保护的实验研究
- The harmonic combination of these tones. 四度和音音调的和谐组合
- We subscribe to an animal protection society. 我们定期捐款给一个动物保护基金会。
- The young in our society need careand protection. 我们社会的年轻人需要受到关怀和爱护。
- He was paying out half his profits as protection. 他把所得利润的一半交给歹徒作为保护费。
- They lobbied on the environmental protection issue. 他们就环境保护问题在议员中进行了游说。
- A thin jacket is a poor protection against cold. 一件单薄的夹克衫不足以御寒。
- The settlers banded together for protection. 移民联合起来保护自己。
- He's devoted his whole life to the protection of the rare animals. 他终生献身于珍稀动物的保护。
- A thin coat gives little protection against the cold. 一件薄上衣没有什么御寒作用。
- A tone in the harmonic series of overtones produced by a fundamental tone. 泛音指由一种基本的声音所产生的一系列和谐的泛音中的声音
- Any payment exacted for protection. 勒索的钱财强逼某人支付的保护费
- That real learning took place at South Harmon. 真正的学习发生在南哈蒙。
- A place offering protection and safety; a shelter. 避难所提供保护及安全的场所; 庇护所
- The effect is termed harmonic distortion. 这种作用就称为谐波畸变。
- It is also called a harmonic equation. 它也被称为调合方程。
- The system executes simple harmonic motion. 此系统产生简谐运动。
- She put on dark glasses as a protection against the strong light. 她戴上墨镜以防强光的照射。
