This paper introduces the process of AATM/PAT-B system, automatical aerial triangulation, and problems which should pay attention to in practical operation.

文章主要从实际应用的角度出发，介绍了自动空中三角测量AATM /PAT -B系统的作业流程以及实际作业当中应特别注意的一些问题；

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In the A, B, C, D and F grading system, the first four letters are typically considered passing grades.

在 A、B、C、D 和 F 评分体系中，前四个字母通常被认为是及格。

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Slat and his team are working to improve System 001/B.

斯拉和他的团队正在努力改进 001/B 系统。

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Most American colleges and universities use the grading system of A,B,C,D and F.

VOA: special.2009.03.05

Then, your muscle cells would start producing Hepatitis B surface antigen and your immune system recognizing that's a foreign protein would start responding to it.

于是,肌肉细胞将会,开始制造乙肝表面抗原,然后免疫系统就会识别出,那是外来蛋白质并且产生免疫应答

耶鲁公开课 - 生物医学工程探索课程节选

Using its point system, B Lab has come up with a list of 67 out of its 730 certified companies, which score in the top 10% of its point system.

FORBES: 12 Companies Considered 'Best for the World'

This pre-entry climate control system makes the B-Class Electric Drive unique in its segment.

ENGADGET: Mercedes-Benz introduces B-Class Electric Drive, we go eyes-on

The nation should not have to choose between an immensely powerful conventional and nuclear force-projection system like the B-2 and affordable, global defenses against ballistic missile strikes.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Fat��s In The Fire: Only Assertive Presidential Leadership Can Secure Both B-2 and SDI