Absorption wavemeter
[电] 吸收式波长计
🧩 词语组成解析
[电] 波计
🗣️ 情景例句
and pleased to be living with the family.
乐于跟家人住在一起。
Nothing is impossible (or difficult) to the man who will try.
天下无难事，只怕不努力。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。