四个

This thesis focuses on beetle Cybister tripunctatus in addition to some other species of beetles and studied the elytron's micro-structure. We found that there are many concaves、hollows and holes on its structure; the configuration of this material is compound samdwich; the linkage-structure between elytra adopts the concave-protuberant mesh joint with some bristle.

本文以东方龙虱为重点研究对象，并综合了四个科的十个物种，通过对甲虫鞘翅微结构的观测，发现东方龙虱鞘翅表面遍布着很小的凹坑；从其鞘翅断面来看，内部存在着许多空腔和孔道结构，而且甲虫鞘翅是复合层状结构；对鞘翅间联接处研究发现，联接机构采用了凹凸啮合结构，在局部区域存在微小毛刺和突起结构来增加摩擦接触。

"I think I owe them a bit for last year," said Emery, who gave up 15 goals in four playoff losses to the Sabres in May.

"我认为我去年亏欠他们的，"Emery说，在五月份的比赛中他在四个加时中丢了15个球。

So Mr Emmons visits each house every four months, and by then the people are usually ready to buy new btooms.

因为埃蒙斯先生需要花上四个半月的时间才能拜访完居住在这个区域的每一家，所以他每过4个月才会拜访同一家。到时候人们通常准备会买新扫帚了。

First, the non-brain structures removal is addressed to obtain the mask of encephalon, then separate the brain stem and cerebellum respectively from the encephalon mask, and finally, two hemispheres are separated.

整个分割过程包括四个主要部分：首先从头部MRI图像中去除非脑组织，得到整个脑模板；再分别从脑模板中分割提取脑干和小脑；最后分离左右两个脑半球。

But I am an Englishwoman born in 1959, brought up to think that self-promotion boils down to boasting and there are at least four things wrong with that.

但我是个出生于1959年的英国女人，我受过的教育使我认为，自我推销归根结底就是自夸，而且这么做至少有四个错误。

I have filled in four of the six gaps that I enumerated in the preface to the initial version.

我已经补充了我在初版的序言中所列举六个空白点的四个。

But the mean HR at 4 levels of workloads on bicycle ergometer (0, 40, 60, 80w) were significantly lower after iron treatment, whereas only one level's HR was significantly lower after the trial in placebo group.

但铁剂治疗后，在5个不同水平负荷下的蹬车中有四个平均心率显著下降，而安慰剂组只有一个。

Two and four are both even numbers so Euler called them "even" points.

两个和四个都是偶数，使欧拉呼吁他们"甚至"点。

Criticized for creating a family with four precocious children and for writing in a style that drew attention to itself, he proceeded to create a family with seven precocious children, and to produce, in "Zooey" and "Seymour," works of supreme literary exhibitionism.

媒体批评他制造了一家四个早熟儿童，写作风格也好像故意要引人注目。而塞林格反倒变本加厉，继而创造了一家七个早熟儿童的形象，即《佐伊》和《西摩》，把文学中的表现欲发挥到了极致。

The paper summarizes the ecological ethical thoughts of Pre-Qin Period in four aspects: the mode of production, the mode of consumption, the mode of development of technology and the mode of society, using the integration of"growing according to time"and"forbidding according to time"to sum up substantial development in Pre-Qin Period. Finally, the paper reveals the ecological ethical connotation of"Dismissing extravagancy and promoting frugality".

论文从生产方式、消费方式、技术发展模式、社会模式四个方面归纳先秦思想家的生态伦理思想，将先秦可持续发展观概括为"时养"和"时禁"两个方面的有机统一，并揭示"黜奢崇俭"的生态消费伦理意蕴。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。