查询词典 turning point

The key point of achieving this goal and getting with compulsory education is to establish a teaching and curricula system combining the science, skills and art of teaching, as we call it, A New System of Teacher Education in Terms of the Three-position. And the most difficult and breaking point is the establishment of curricula about teaching skills that connect teaching science with teaching art.Key words: specialization of teacher education; reform on compulsory education curricula; curriculum; teaching

如果高师院校教师教育专业培养和再培训出来的教师，面对基础教育新课程和教学茫茫然，与其他非师范专业从教的教师相比不具明显优势，甚至因为其深受传统教师教育问题的困扰和束缚，比非师范专业的教师还难以适应基础教育的新局面，那么所谓高师院校教师教育的专业化特色和职能就严重削减或者自然丧失了。

Based on three-position bang-bang actuator, a control mode of antiaircraft command corrected projectile was established. The principle of determining actuator shutdown point during the flight was proposed. The estimated formula for determining the ideal actuator shutdown point was obtained.

针对防空指令修正弹，建立了一种基于三位置继电式舵机的控制模式，提出确定弹丸飞行过程中舵机关闭点的基本思想，得到了确定理想舵机关闭点的估算公式。

In section 2, we study the existence of sign-changing solutions of some three-point boundary value problem by the cone theory and the fixed-point index theory.

本文利用不动点指数定理研究了如下两种二阶微分方程多点边值问题变号解的存在性，同时分别得到了一个正解和一个负解。

Firstly in§2.1, by applying the fixed point theorem the existence of positive solutions for second-order three-point boundary value problem is discussed.

第二节，运用不动点定理研究四阶两点边值问题正解的存在性。

We study a third-order trajectory planning algorithm for ultra-precision point-to-point motion and its accuracy compensation method.

研究了一种优化的超精密点对点运动3阶轨迹规划算法及其精度补偿方法。

The test items includesingle-point height sound level test and multi-point sound level test in a certain height range.

测试项目包括单点高度声级测试和一定高度范围内的多点声级测试。

Cable .Make use of this principle, we can quickly locate the target cable or break point from large amount of cables, under carpet, the inner of decoration wall and over ceiling1 operation is simple , reliable , the interface is nimble , use is broad , bionic form , carry-over are convenient, since our link tester has two signal output port, it can work when switch is running, this is very convenient. 2 applies to all metal cable such as network cable , tele phone line cable , video cable , automobile circuit .it can not be work with high voltage(above 80V),if you want to locate it ,please turn off the cable power supply3 can test the telephone line polarity, connectedness, rough position of breaking point.4 uses the two crocodile clamp to avoid getting rid of the job of make network cable. Use the RJ45/RJ11 interface can connect to the network and the telephone line directly.5 link tester can find out that pair of circuit line cable from large mount of cables. 6 high amplitude ranks 200 times amplification circuit is sui table to locate long distance cable.7 two-sided network lines sequence indicator is easy to examine the network line cable whether or not correctly conveniently. 8 portable types multifunctional bag can encase most of your engineering tools; remit your messy carry-over of implement bothering. 9 adopt two 9V batteries.

线路通产品特点：1 操作简单、性能可靠，接口灵活、用途广泛，仿生外形、携带方便，由于本设备采用了信号双路输出方式，可以解决交换机工作状态下使用，避免了关掉交换机影响其他线路的使用的麻烦。2 适用于查找网络电缆、电话线路、视频电缆、汽车电路、无强电状态下的所有金属电缆。3 可以测试电话线路极性、连通性，断点大概位置。4 两个鳄鱼嘴夹，避免了去做水晶头的麻烦，RJ45/RJ11接口线，可直接连接网络和电话线模块。5 寻线器快速地在众多紊乱的线路中找出需要查找的那一对线路线缆。6 高音频振幅级别200倍的放大电路，适合长距离电缆定位。7 双面网络线续灯可以更直观方便的检查校正网络线续线路连接是否正确。8 便携式多功能软包，可以把您工程施工、维护的基本工具装齐，免除您工具散乱携带的麻烦。9 本寻线器采用2节9V电池。

The radius of the combined curve is 1000m on the theoretical switch point and 538.2497m on the actual switch point, the radius of the circle curve is 365.9m, the actual planing length of switch rail is 6.8m.

该组合曲线尖轨理论尖端位置的曲线半径为1000m，尖轨实际尖端位置的曲线半径为538.2497m，圆曲线区段的曲线半径为365.9m，尖轨实际刨切长度为6.8m。

Ceiling suspension point: Each suspension point is allowed to hang light advertisement carrier of below 10 kg.

天花吊挂点：每个挂点只允许悬挂10公斤以下的轻质广告载体。

A mobile agent can suspend its execution at an arbitrary point, transport itself to another machine, and then resume execution from the point of suspension.

它可以在任意的执行点挂起，将自己传送到另外一个网络平台，然后在这个新的平台上，从挂起点继续执行；移动主体的自治性在于它是自我满足的，它知道要做什么和在那里做。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"