He says they found there was no significant change in the nu mber of heart attack hospitalizations in these areas.
他们发现, 这些地区的住院心脏病人数量没有明显变化。
With a great mber of laboratory tests and studies, the mixture of high-and low-sill alternatives has been proposed, which its hydraulics indexes are allowable and able to solve the matter of fl.
经大量试验研究提出的高低坎方案,其水力学指标在可接受的范围内,基本可解决向家坝水电站的泄洪消能问题。
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