The normal distribution test of cucumber F_2 generation heat tolerance shows that heat tolerance in cucumber F_2 generation present continuity variance and obey the normal school.

对黄瓜耐热性F_2代分离度的正态分布检验结果表明，黄瓜耐热性在F_2代分离群体中，呈现连续性变异而且符合正态分布。

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In the test of instrument performance, the result shows that the tolerance at repeatability and stability is around 2% and the results are at normal distribution.

实验结果表明，仪器的重复性和稳定性精度误差基本在2%左右，检测结果符合正态分布。

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