... to print out a picture 打印一张照片 1.A must be B (非常确定,肯定是事实) 2. A might/may/could be B (有些事情有可能发生,但不确定) ...
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B That's a lot exercise. You must be really fit.
B那有很大的运动量。你一定很强壮。
B: That's a lot exercise. You must be really fit.
那有很大的运动量。你一定很强壮。
If Cust-A has an integrity constraint instructing that it must have a sales person, then Cust-A must first be updated to the new Sales-B before Sales-A is deleted.
如果Cust - a有一个完整性约束来指明它必须拥有一个销售人员,则Cust - a必须先更新到新的Sales - B,然后才能删除Sales - a。
What q2 makes this equal to 0 and Katie's answer is solving out the algebra here is that q2 that solves this must be a - c over b.
2为何值时这个算式等于0呢,凯特回答其实就是算出这个的解,即,q2=/b
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