单词：modal system
modal system的用法和样例：
例句
- The simulation results show that after shifting the input frequency to a small one, the output power spectrum peaks of the bistable system are strongly enhanced at this frequency.仿真结果表明，经频移后产生的小频率信号通过双稳态系统的协同作用形成的输出信号，其信号频率处的功率谱谱峰有很大的提高。
单词：modal system 相关文章
For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxiliary verbs that express a speaker's attitude and the strength of that attitude
2018年VOA慢速英语(二)月
If you asked even the most knowledgeable Americans, they probably could not tell you more than a few meanings for the word so. It is an everyday word that most people use without even realizing its complexity. But this mysterious little word can act
2018年VOA慢速英语(十)月
Everyday Grammar: You Had Better Learn Modals! 英语日常语法:情态动词 For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxi
2015年VOA慢速英语(七)月
You Really Should Learn Modals! For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxiliary verbs that express a speaker's attitude a
2016年VOA慢速英语(六)月
They Say That Reported Speech is Easy We often need to tell others what someone else said. There are two ways to do this. One is to say the same words and use quotation marks. That is direct speech. The other method is to summarize, or tell about wha
2016年VOA慢速英语(四)月
Modal verbs are helping verbs. We use them with main verbs to help us express ability, possibility, necessity and permission. Todays question is about a modal that is commonly confused with an expression. Heres the question, which comes from a listen
2019年VOA慢速英语(一)月