RESULTS: the reverse flow were detected at the mitral valve orifice of left atrium, at the opposite of which in left atrium the front flow were also detected.
结果：在观察到二尖瓣口左房侧负向血流的同时，在其左房的相对面可测到前向性血流。
Sometimes it is also standard practice for the consulting company to collect an up-front payment upon contract signing just to assure positive cash flow.
咨询公司有时会在签订合同的同时收取预付款，以保持正向的现金流，并将这种做法作为标准措施。
Dark clouds flow across the sky, sometimes from different directions, sometimes blocking background starlight, but other times causing stars to appear to flare as they move in front.
云朵横穿过天空，时而来自不同的方向，时而遮蔽了星光熠熠的蓝色幕布，有时他们移到恒星的前面，忽厚忽薄的云使得星星一闪一闪的发亮。
应用推荐