The scale mark and measure figure on the ruler should be printed completely, neat writing, legible line and even thickness.
标尺的分度容量线及计量数字印刷应完整，字迹清楚，线条清晰，粗细均匀。
But unlike its predecessors, Scale doesn't also wash away the signals of fluorescent proteins, which scientists use to mark neurons, blood vessels, and other small structures in the body.
但Scale与以前用的试剂不同，它不会洗去荧光蛋白的信号，这样科学家就可以通过荧光蛋白标记神经元、血管和其他的细微身体结构。
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