... contrarotation 反向旋转 contrary sign 异号 contrary-turning propeller 对转推进器 ...
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当预啁啾与五阶非线性系数同(异)号时，总啁啾增加(减小)。
When the initial chirp of the pulse is of same (opposite) sign as that of quintic nonlinearity coefficient, the whole chirp increases (decreases).
将1位信号值与1位量化载 波解调模板逐位进行逻辑组合（例如，异或），以产生解调的1位信 号值。
The 1-bit signal values are bitwise logically combined (e. g. , XORed) with a 1-bit quantized carrier demodulation template to produce demodulated 1-bit signal values.
在两种方法检测结果一致和不一致的标本中，出现17号染色体异倍体的比例分别为38%（42/110）和53%（10/19）。
The distribution frequencies of chromosome 17 aneusomy in agreed and disagreed cases of two methods were 38%(42/110) and 53%(10/19), respectively.
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