发球

Four (4) are adjacent to each corner, located a goal width along the long edge of the field, aligned with each goal post; i.e., for

其余四个发球点位於四个墙角附近，沿著赛场的长边分布；同时，发球点与长边保持一个球门宽的距，从而与门柱并排。

With the methods of documentation, observe and physics statistics, the paper studies hit skills and stroke amounts of each round. And the paper tries to analysizing the change of fields of serve falling to the ground, the stroke amounts of each round, utilization ratio of each hit skill and the effect of return of service and handle skill of the third stroke in world top men's doubles nowdays after implement of new rule.

本研究采用文献资料法、观察法、数理统计法等对运动员的击球技术和各回合的拍数情况进行了研究，试图分析新规则实施后，当今世界顶尖男子双打选手的发球落地区变化情况、各回合的拍数情况、各击球技术的使用率以及接发球效果与处理第三拍技术。

But for that you need to hold your serve. I really didn't really serve really well today, so I had to mix it up with something, just think about something, because from the baseline I wasn't really, really great at beginning.

但你也必须保住自己的发球局，我今天发球真的没有很好，所以我必须多做一些变化，因为今天刚开始在底线我真的表现不好

Tt was tennis technical testing were shoe- n that the ball hitters were feasible in the testing because of its continuity, durability, stableness and objectivity. The ball hitters should be used according to different students of different levels.

证明应用多球发球机进行乒乓球基本技术考核是可行的，它具有连续性强、长时间持续高强度工作、能保持送球质量的统一和稳定性，减小送球的随意性和主观性同时提出其应用于技术考核的不足之处，探讨发球机用于技术考核的适宜对象和适宜内容。

Three of the aforementioned quintet possess excellent deliveries, which illustrates Landsorp's strength as a serving coach.

前面提到的五位中有三位都具备非常优秀的发球，这表明了兰斯多普作为一位发球教练的厉害之处。

Obviously, they don't talk about my return because I'm not the returner who goes for it, you know, on the return.

当然，他们不会过多谈论我的接发球，我不是那种接发球策略很积极的球员。

Play matches where the server always begins at 0:30. It provides experience of the conversion of break-points for the returner and come back effort for the server.

比赛开始，发球方落后2球，以此来锻炼发球方和接球方的在面对即将到来的破发点的心态。

And then appeared "squat down together, because this service", by rotating joint service, have stronger bigger threat.

并随之出现了"下蹲式"合力发球，由于这种发球受合力影响，旋转较强烈，有较大的威胁。

I was able to move the ball around the service box, finding good targeting and consistency.

左手发球也有好的一致性。在切削发球时我发现也不错。

The serve must be played from behind thebaseline and must land in the service box.

发球时选手必须站在底线之外，球必须要落在对方的发球区内。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。