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Yin-Yang is a very important theory in the history of Chinese philosophy. The elements of yin-yang theory emerged very early and were implied in astronomy observation and phallicism in ancient China.We will see that the two elements of "yin"and "yang" obviously derive from man and women.

点击下列相关研究机构和相关研究者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。

Any of vari substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.

指示剂 任何一种具有下列功能的物质，即能通过自身性质的变化，特别是颜色的变化来表明另一种物质的存在、消失或聚集，或可以表明两种以上的物质相互反应的程度；例如石蕊、酚酞

Chemistry Any of various substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.

指示剂：任何一种具有下列功能的物质，即能通过自身性质的变化，特别是颜色的变化来表明另一种物质的存在、消失或聚集，或可以表明两种以上的物质相互反应的程度；例如石蕊、酚酞

Of their performance on a phonogram, performers shall have the possibility of preventing the following acts ''.

固定'。''于录音制品的情况，表演者应有可能制止未经其许可而为的下列行为：对其尚未''。

Which one of the following printing devices uses an electrostatic process similar to a photocopying machine in order to produce a high quality printed form?

其中下列情形之一的印刷设备采用静电过程类似一台影印机，以生产高质量的印刷形式？

Other photometric light parameters are shared with standard lights, and are described in the following topics

与标准光光通用的光度学灯光参数，在下列的主题中被描述

Significant superiority over placebo was also observed with respect to most secondary end points: the pain-free rate at 2 hours; the rate of sustained response over a period of 24 hours; the rate of recurrence of headache; improvement in nausea, photophobia, phonophobia, and functional capacity; and the time to meaningful relief.

对 于下列大多数次要终点而言，我们还观察到 BIBN 4096 BS 的疗效明显优于安慰剂：2 小时无痛率；24 小时持续有效率；头痛复发率；恶心，恐光症，恐响症和功能储备的改善；有意义缓解的时间。

Look at the phrasal verbs below. Can you match them to their

请看下列动词，请将它们与各自的定义对应起来。

Could the following factors substantially affect my state of mind or performance: physical discomfort constant rain insects unvaried diet lack of sleep or privacy?

下列因素是否会大幅地影响我的心境或工作表现：身体不适-连绵不断的下雨-昆虫-毫无变化的饮食-缺乏睡眠或隐私？

What is your pet's favorite playtime activity?

您的宠物最喜欢的玩耍项目是下列哪些？

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷