A kinematics model by post D-H method for 4R-robot was offered in this paper, which derived the manipulator finger position and its attitude with unit vectors of direction cosine.

采用D-H后置法建立了4R机器人运动方程，建立机器人执行机构在空间相对位置关系的数学模型，由此可解出手部位置和用单位矢量方向余弦表示的姿态。

youdao

Director, Biotransformations: responsible for the Biotransformations department. Requirements: (1) Ph. D. or post doctor in biocatalysis, biochemistry, enzymology or related fields;

微生物转化主管：负责微生物转化部门的工作 要求：1。 博士学位或博士后，生物催化、生物化学、酶学或相关专业；

youdao

Mineralogist Jeffrey Post of the Smithsonian Institution in Washington, D. C., agrees.

华盛顿特区史密森学会的矿物学家杰弗里·波斯特表示同意。

youdao

And then he'd been--he was Jewish, and he was fired from his post in Strasbourg, under Vichy, that is the collaboration government of World War Two, because he was Jewish.

然后他去了--他是犹太人,他在斯特拉斯堡被解聘了,被维西政府,就是二战时候的法奸政府,因为他是犹太人

耶鲁公开课 - 1871年后的法国课程节选

There are scholars of all stripes and allegiances who view P as late; and there is some very good objective evidence for dating parts of P to the post-exilic period, just as there is good objective evidence for dating parts of D and the other sources to the post-exilic period.

有各种不同见解的学者认为P资源出现较晚;,而且还有一些有力的客观证据,来确认P资源来自流放后时期，也有有力的客观资料确认D来源的时间考证,也有其他的资料来源于流放后时期。

耶鲁公开课 - 旧约导论课程节选

Guest post by Edward D.

FORBES: Creating An Innovation Culture: Accepting Failure is Necessary

For a year he had a cushy drafting post in Washington, D.

FORBES: War Story

We hope Republicans will post their ideas either on their Web site, or we'd be happy to post them on ours, so that the American people could come to one location and find out the parameters of what will largely be discussed on Thursday.

WHITEHOUSE: Press Briefing