During a five-month field test of HyGreen at the University of Florida's medical center, infection rates dropped to zero.
在佛罗里达大学医疗中心进行的为期五个月的超洁试用过程中，感染率降低到零。
AA11: "Boston Center, good morning, American 11 with you passing through one nine zero for two three zero."
AA11：“波士顿控制中心，早上好，美航11号航班正通过190区域进去230区域。”
CONTROLLER: "American 11, Boston Center, Roger, climb, maintain level two eight zero."
CONTROLLER：“美航11号航班，这里是波士顿控制中心，收到，继续攀升并维持在280区域。”
Liquid velocity is near zero at the pipe wall and increases to maximum at the pipe center.
在管壁处液体速度近似为零，并在管中心处达到最大。
Based on a zero sideslip Angle proportional control, we get the gain of the distance from the centroid to the steering center position, yaw angular velocity and lateral acceleration.
在此基础上，得到车辆采用零侧偏角控制策略时，车辆转向中心到质心的距离，横摆角速度增益及侧向加速度增益的表达式。
The workpiece zero is the origin of the workpiece coordinate system. When the workpiece was set up on machining center, normally we need to define more than one workpiece zero.
工件零点是工件坐标系的原点，在加工中心上一次装夹需要设置多个工件零点。
Tourists still flocked to the former Ground Zero area where the new One World Trade Center - soon to be the tallest skyscraper in the western hemisphere - is rapidly rising.
仍然有大批游客前往世贸中心遗址。在那里，正在兴建的“一个世界贸易中心”将成为西半球最高的摩天大楼，工程正在紧锣密鼓地进行。
To this list of must see landmarks has been added a somber14 new entry: "ground zero," the site of the World Trade Center.
在必看的标志性景点名单上又增加了让人伤感的一处——“零地带”，即世贸中心遗址。
When a newspaper editor asked him for a picture of the former World Trade Center site (Ground Zero) with him in it, he said he felt that such a picture would be offensive.
当报纸的编辑问他有没有当时他自己的照片时，他说，当时的那种感觉不允许自己利用大楼来作为背景拍照。
When a newspaper editor asked him for a picture of the former World Trade Center site (Ground Zero) with him in it, he said he felt that such a picture would be offensive.
当报纸的编辑问他有没有当时他自己的照片时，他说，当时的那种感觉不允许自己利用大楼来作为背景拍照。
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