In the exam papers is a ruler of uneven scale: for yourself, the problem of the score is not necessarily high.
中考试卷是一把刻度不均匀的尺子：对于你自己来说，难题的分值不一定高。
A 11 cm long ruler, can only moment 3 integer scale, can be used for amount between 1 to 11 cm of any integer cm long length of an article?
一把11厘米长的尺子，可否只刻3个整数刻度，即可用于量出1到11厘米之间的任何整数厘米长的物品长度？
Vascular caliber with operating microscope eyepiece scale of measurement, the length and distribution of blood vessels using a ruler and measurement of sub-regulation.
血管口径用手术显微镜的目镜标尺测量，血管长度和分布范围用直尺和分规测量。
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