为每个目标定下期限。 所有的好规划也需要好的日程表，这样每个学习计划就有了一个相应的最后期限。

Required date of completion for each learning goal: Every good plan also needs a good schedule, so therefore each learning goal must have a corresponding date of completion.

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亚临界压力的汽包锅炉在启动调试时应进行水位标定试验，以确定就地水位表的基准零位。

Water line demarcation test should be carried out when starting up and adjusting the subcritical drum boiler, to certify the zero benchmark of the local water gauge.

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在域上，开解正交变换表成对称之积，因子个数的多少，是用变换的剩余数来标定的。

On the field, the number of factors in solving the symmetrical product is calibrated by the remainders of the transformation.

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