这个钟是正点打点报时而不是半小时打点报时。
针对乒乓球机器人项目中乒乓球击打点位置及球到达击打点速度的预测问题进行探讨，分别建立了乒乓球飞行阶段的状态方程模型和乒乓球反弹过程的运动模型。
The prediction of the position of hit point of ping-pong and the velocity of the ball when reaching the hit point in the ping-pong robot project has been a research focus.
项目打点体例系确定了协助项目打点团队实施项目整体变换节制的过程。
The project management methodology defines a process that AIDS a project management team in implementing Integrated Change Control for the project.
其中系统打点首要搜罗：系统根基信息设计、系统参数设置与系统日志打点；
Management system which mainly include : basic information system design, system parameters and system log management;
追踪瞄准纸笔测试中，两振动暴露组与对照组比较，两项打点数之和及打点速度均显著降低。
Comparing with control group, the total number of right and wrong pointing, pointing speed in pursuit aiming test were significantly lower(P<0.05) after vibration.
追踪瞄准纸笔测试中，两振动暴露组与对照组比较，两项打点数之和及打点速度均显著降低。
Comparing with control group, the total number of right and wrong pointing, pointing speed in pursuit aiming test were significantly lower(P<0.05) after vibration.
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