随着样品长度的增大，随机强度的增强，阈值也呈现下降的趋势。
The lasing threshold also decreases by increasing the size of samples or strengthening the sample randomness.
科学家们测量了格拉斯哥地区样品集合的染色体端粒的长度。
The scientists measured the length of telomeres, the tails on the ends of chromosomes, in sample groups in the Glasgow area.
本文改进了常规表面光电压测试少子扩散长度法，采用环形下电极消除了薄样品背面光电压信号对测量结果的影响；
The authors improved the routine steady-state surface photovoltage method to measure minority carrier diffusion length in both sides polished silicon wafers.
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