二顶的

The morphology and acrosome reaction of sperm may be two important parameters to evaluate the function of fertilization.

因此，精子形态分析和顶体反应二项参数，在自然周期和IVF周期中，对受精功能的评价有着不同的参考价值和意义；同时，在人类辅助生殖技术实施过程中可以作为选择不同辅助生殖技术的依据。

In-situ energy dispersive X-ray diffraction measurements of enstatite have been studied by using diamond anvil cell with synchrotron radiation and laser heating in the range of 0~23 GPa and

采用同步辐射能量色散X射线衍射技术、激光加热技术和金刚石对顶砧高压装置，在温度为2000 K和压力为23 GPa的范围内，对采自地幔二辉橄榄岩中的顽火斜方辉石，进行了原位的高温高压能量色散X射线衍射测量。

The product with inner thread and its mould structures are analyzed.

对带内螺纹的塑料制品及其模具结构进行分析，采用自动卸螺纹和压缩空气二次顶出相结合的结构较紧凑的脱模机构。

He omitted at least two key safety devices, namely the nose cone which prevents the sail from deforming in the wind, and the luff lines which prevent uncontrollable dives.

他省去了至少二关键保险装置，即防止风帆扭屈在风的顶锥和防止无法控制的下潜的逆风行驶线。

The calculated results show that H atom preoccupies the twofold bridge site of the subsurface on the intact W(100) surface at low coverage, and obtains the perpendicular vibration frequency of 156 meV. The H-atom adsorption on bridge site, top site and fivefold hollow site (the top site on the second W layer) were observed at high coverage.

计算结果表明，低覆盖度下， H原子优先吸附在W(100)面的内层吸附位二层桥位B'，获得156 meV的垂直振动频率，随着覆盖度的增加， H原子稳定吸附在表层的五重洞位、桥位及顶位。

The operational parameters of this process are very flexible. The optimum postcombustion degree is 25～45% corresponding to the prereduction degree of 100～50%. The energy efficiency of the process is as high as 65%.

该工艺操作灵活，顶还原度50～100％对应的优化组合的二次燃烧率为45～25％，煤耗相应为725～683kg／tFe，低于其它工艺的煤耗，系统自身能量利用率可达65％以上，高于其它工艺流程。

Lock - either of the two forwards normally wearing No. 4 and No. 5. Typically the largest players on the field, they have primary responsibility for being the power in scrums and securing the ball in lineouts.

锁球锋，即四、五号，通常是队中身材最高大的队员，在斯克兰时位于第二排，主要作用是支持前排队员的顶架，保护由本方二号勾球锋勾回的球，以及在界外球中被托举起来获得球权。

Good varieties are: red, crane head goose, gills red, king tiger, four balls, twelve red, 17, especially some rare species, such as: the rare dragon, tiger, pearl back toad head, dragon pearl plaza, pearl eye at home and abroad, etc.

上好的品种有：鹅头红、鹤顶红、齐鳃红、王字虎头、四球、十二红、狮子头等，特别是一些罕见的珍稀品种，如：龙背虎头、珍珠蛤蟆头、龙睛珍珠、皇冠珍珠等，在国内外独领风骚。

The good varieties are: goose red, Heding Hong, Qi gills red, Wang word tiger-head, four-ball, 12 red, lion head, etc., especially some rare rare species, such as: Longbei Steller, pearl frog head, dragon pearl eye, crown and pearls, the highest reputation at home and abroad.

上好的品种有：鹅头红、鹤顶红、齐鳃红、王字虎头、四球、十二红、狮子头等，特别是一些罕见的珍稀品种，如：龙背虎头、珍珠蛤蟆头、龙睛珍珠、皇冠珍珠等，在国内外独领风骚。

Miss Mspp and her daughter by a former marriage lived on the top floor of the two-family dwelling.

女儿小姐Mspp 和她的由前婚姻居住在二家庭住宅的顶楼上。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐