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In the experiment besides entire spermatophore transplantation and spermaduct transplantation, partial spermatophore transplantation and semen transplantation were firstly used in artificial insemination of Fenneropenaeus chinensis. Artificial insemination rate, fertilization rate and hatching rate were compared among the four methods. The results indicated that artificial insemination rate of four methods was high, the highest was 80.8% and the lowest was 53.3%.

在常规的精荚移植和输精管移植两种中国对虾人工授精方法的基础上，首次建立了精荚切块移植和精液移植两种新的人工授精方法，并对比了4种方法的授精成功率、受精率和幼体的孵化率。4种方法都取得了较好的授精成功率，其中完整精荚移植法最高，为80.8%；输精管移植法最低，为53.3%；其他两种方法依次为：精液移植法为73.9%，精荚切块移植法为66%。

Four factors likely to influencing soil adhesion were considered, and every factor includes three levels. The four factors were the height h, radius r, spacing d and distribution of spherical cap σ.

以球冠高度h、球冠底面圆半径r、球冠间距d、球冠分布形态σ为试验因素，采用L9（34）正交试验测试了土壤黏附力。

With four spindly human-like legs, he can run at four miles per hour and walk through snow and water.

用四条像人类的一样的腿，它能每小时奔跑4英里，过雪地和淌水。

Results Four hybridoma cell lines stably secreting McAbs against sporozoites were obtained: Easp-3G3 and Easp-5G10 belonging to IgG1, Easp-3H6 belonging to IgG2b, Easp-5H4 belonging to IgG2a. All four McAbs bound with E. acervulina sporozoite protein, but the Easp-5H4 McAb showed cross reactivity with E.

结果 获得4株可稳定分泌单克隆抗体的杂交瘤细胞株，其中Easp-3G3、Easp-5G10为IgG1 类，Easp-3H6为IgG2b 类，Easp-5H4为IgG2a 类。4株单克隆抗体均能与堆型艾美球虫子孢子的抗原蛋白反应，但仅Easp-5H4能与柔嫩艾美球虫子孢子抗原蛋白反应。

Four hundred years ago, Galileo raised his homemade spyglass to the sky and spotted four of Jupiter's moons, revealing that other planets could have their own lunar companions.

400年前，伽利略将他自制的小望远镜对准星空，发现了木星的四颗卫星，我们这才知道其他行星也有自己的卫星。

He danced numerous performances including: Red Detachment of Women, Swan Lake, The Nutcracker, Romeo and Juliet, Coppelia, Don Quixote, La Sylphide, Variation for Four, Allegro Brilliant, Theme and Variation, Stamping Ground,The Four Last Songs, etc.

曾出演的节目包括︰红色娘子军，天鹅湖，胡桃夹子，罗密欧与朱丽叶，葛培莉亚，唐吉柯德，仙女，古典男子四人舞，辉煌的快板，主题与变奏，肖斯塔科维奇钢琴协奏曲，四首最后的歌等。

There is signifi cant differences between boys and girls in 20- meters- running,standing long jump,and throwing sand bag. In jump touching we have not found gender differences. Four sport event' s fieqency distribution skewed to the left. In addition, there is relation between four sport events and age, sex, height, and weight.

20米跑、立定跳远和投掷沙包，性别间差异有显著性意义，纵跳摸高未发现性别差异；四项运动指标在频数分布中呈正偏态；另外，四项运动指标与年龄、性别、身高和体重相关。

Results There is significant differences between boys and girls in 20-meters-running,standing long jump,and throwing sand bag.In jump touching we have not found gender differences.Four sport event's freqency distribution skewed to the left.In addition,there is relation between four sport events and age,sex,height,and weight.

2 0米跑、立定跳远和投掷沙包，性别间差异有显著性意义，纵跳摸高未发现性别差异；四项运动指标在频数分布中呈正偏态；另外，四项运动指标与年龄、性别、身高和体重相关。

The Stedman H series multi-cage mill is available in two-, four- or six-row design in four sizes up to 250 tons per hour.

Stedman最近推出了其H系列多笼式球磨机，可以有2，4，6组不同的型号，最高的功率可以达每小时250吨。

The second youngest of six brothers, he began performing professionally with four of them at the age of 5 in a group that their father, Joe, a steelworker, had organized the previous year. In 1968, the group, originally called the Jackson Brothers, was signed by Motown Records. The Jackson 5 was an instant phenomenon. The group's first four singles—"I Want You Back,""ABC,""The Love You Save" and "I'll Be There"—all reached No. 1 on the pop charts in 1970, a feat no group had accomplished before.

杰克逊五岁时开始与自己的四个哥哥一起登台进行专业表演，这个组合是他们做钢铁工人的父亲乔于1962年创建的。1968年，这支原来名叫"杰克逊兄弟"的乐队签约了摩城唱片，"杰克逊五人组"一炮走红，他们首发的四支单曲——《盼你归来》、《ABC》、《你保留的爱》和《我将在那里》在1970年先后登上了流行音乐榜的榜首，此前从来没有任何组合能有如此战绩。

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％。