本文首先讨论了这种信号的特点,然后讨论了它的产生。 This paper first discusses the features of this signal, and then its generation is described. 2. 我们的方法与以前讨论同一问题的文章中所述的不同。 Our method is different from previous articles discussed the same problem. 3. 这台设备的特点是操作简便,价格低廉。 The features of this device are easy in operation and low in price. 4. 锡的熔点没有铅的高。 Tin does not have a melting point as high as lead does. 5. 在这个实验室中,这台仪器比其他的灵敏 In this laboratory, this instrument is more sensitive than any one. 6. 这个信号太小了以至于不能使晶体管 Q4 导通。 This is a too small signal that it cannot make transistor Q4 conduct. 7. 对构件的承载能力做了具体的分析。 The detailed analysis of the bearing loads of components is given. 8. 最后提出了实现这种方法应注意的一些问题和解决方法。 At last, we provided some problems that could be noted in implementing this method and solving ways. 9. 这个问题有待解决。 This problem waits to solve. 10. 其他类型的电动机也广泛地用在工业上。 Other types of the electric motor also are widely used in industry.