It is important to know that studies constantly show that, in business, a woman with a deeper voice is con - sidered more intelligent, authoritative and credible.
必须知道的一点是，研究显示在职场上嗓音相对低沉的女性被认为更有智慧、更权威和更值得信任。
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It is con - sidered revolving drilling technique is one of the most effective methods to solve the problem of hard strata drilling in deep well and has good applying prospects.