有线电视广播系统技术规范 | 深圳市威尔达科技有限... ... 复合三次差拍 composite triple beat(CTB) 载波复合三次差拍比 carrier to composite triple beat ratio(C/CTB) 载噪比 carrier to noise ratio ...
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Although he did not know it at the time, this was the first in a class of objects, now known as planetary nebulae, to make it into the catalog.
尽管他当时并不知道,这是首个被记录在册的行星状星云。
They will make a first-class doctor out of her.
他们将培养她成为一名一流的医生。
First we introduce a new method of coding class-object to make it suitable for genetic operations.
首先设计了一种新的类对象编码方法,使其能够适合于遗传操作。
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