成对的

The influence of microwave radiation on Ullmann reaction has been investigated by three Ullmann reactions, including triphenylamine formed by treating the diphenylamine with bromobenzene or Chlorobenzene which substitutes Iodobenzene; 4,4\'-dimethyltriphenylamine formed by treating 4,4\'-dimethyldiphenylamine with bromobenzene which substitutes Iodobenzene; 4,4\',4-trinitrotriphenylamine formed by treating 4-chloronitrobenzene with p-nitroaniline in this paper.

实验表明，在微波辐射条件下，顺式比反式迈克尔反应活性高；若在丁烯二酸的双键上引入甲基后，降低了进行迈克尔加成反应的活性；引入酯基对双键的影响比腈基有利于进行迈克尔反应，丙烯酸甲酯较丙烯腈的迈克尔反应活性高。

The observational study of extragalactic H2O megamaser sources and molecular emission lines associated with AGNs is a very efficient tool to investigate characteristics of certral sources in AGNs and circumnuclear toruses of gases and dusts.

对与活动星系核成协的河外超脉泽源及分子谱线的观测和研究是探测和研究活动星系核核区中央源、拱核气体和尘埃环性质的非常有效的工具。

During the mounting, the compinents unfurl them to retrieve circularity. The thesis will elaborate the programming method in how to use NUM System′N/C Center to machine and have process analyses on them with high precision on condition that the big locating hole and the 3-25H7 cylindriform ...

在没有将变形的定位大孔及3-25H7圆柱定位销孔分布圆恢复成圆形的情况下，在NUM系统的加工中心加工，对其进行的工艺分析和保证高加工精度的编程方法。

The content of caption wants to keep content of didymous and whole webpage generalize and abstract, if want to make oneself company name, also can add.

标题的内容要写成对整个网页内容的概括和提炼，如果想做自己的公司名称的话，也是可以加上的。

If it searchs the mode of the request to get 1000 results according to yours, but find million however the result that gets by a similar pattern, its meeting rises these dot join, enquire this wanting that inquire these terms courteously to whether you wish, although your fat finger is likely a fund of didymous to developing fund fault to go all out green.

假如它根据你的搜索请求的模式得到1000个结果，但却找到一百万个由一个类似模式得到的结果，它会把这些点连接起来，并礼貌地询问你是否愿本想要查询这些词语，尽管你的肥手指可能把&对冲基金&错拼成&对葱基金&。

Benjamin. Bloomer says " want definition target makes do not produce a variety of explanations, need but the behavior verb; that optional deductive verb changes the action of didymous student to need direct observation is in at the same time appropriate occasion defines the standard that explanatory got-up word and adjectival place use."

本杰明。布卢姆说&要想界说目标并使之不产生多种解释，就须把可随意推论的动词转换成对学生的行动须作直接观察的行为动词；同时在适当场合具体说明解释修饰词和形容词所用的准则。&

Bilateral activation in the inferior frontal and superior temporal gyri and activation in the left fusiform gyrus of girls was greater than in boys.

作为对每次语言信息的响应，受试者的大脑活动受到了功能磁共振成像的监控，这种技术能够测量大脑不同区域的血流状况。

People are almost hypnotically drawn into this collective act, not by what is being seen. The result is a rhythmic accumulation of individuals slowly turning into a homogeneous crowd.

观看的群体心里使得人不自主地被吸引到人群里面，他们并不是对观看的对象有真正的兴趣，而是为了可以跟别人一起观看，这些人慢慢地从个人好奇状态转变成统一的群体状态。

The early work on our gut microbiota (loosely translated from Latin as "community of tiny living things") is challenging our notion of what it means to be human.

消化道微生物（从拉丁语中不严格的被翻译成&微小的有生命的物质群落&）早期的研究挑战我们的观点：这些微生物对人类来说意义何在？

Around me the splendid Hotel Mirana revolved as a kind of private universe, a whitewashed cosmos within the blue greater one that blazed outside.

这个叫做&米兰纳&的豪华旅馆对我来说，就像是在这个蔚蓝的大宇宙中被粉刷成白色的个人的小宇宙。

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