查询词典 turning point

When we imagined the fourth dimension, it was as if we were treating the entirety of three-dimensional space in a particular state as a single point, and drawing a fourth-dimensional line to another point representing space as it is in a different state.

当我们想象第四维的时候，我们将整个第三维想象成了一个点，然后画一条四维的线。

Firstly two characteristic points of the open-loop frequency are identified based on relay feedback experiments: the ultimate point and the bandwidth point.

通过继电反馈辨识系统开环带宽度点和临界点，利用带宽点的信息建立一阶加纯延迟模型。

In this dissertation, on the basis of the rolling principle and kinematic analysis for the drive pairs, a new idea of the revolutionary surface envelope globoidal worm gearing with rolling friction and point engagement is proposed; the point engagement theory, the engaging features, the mechanism errors and adaptation, the engaging efficiency, and the design and machining technology are systematically studied; the prototype is manufactured and the experiment is performed, and the related theory and technology are verified.

本文在对传动副实现滚动的机理及运动学分析的基础上，提出了滚动式回转面包络点啮合环面蜗杆传动的基本构思与技术框架，并深入系统地研究了滚动式回转面包络点啮合环面蜗杆副的啮合原理、啮合特性、误差敏度及适应性、啮合效率、设计和制造方法；研制了原型机并进行了原型机实验等。

The utilization proportions are more than 70%. But the composition of gangues is complex and their melting point is high, so that they must be added additives to reduce their melting point.

论文中采用的福建沙县田口钾长石尾矿和北京平谷金矿尾矿两种尾矿中二氧化硅(SiO_2)含量高，可以用于制备玻璃，为制备泡沫玻璃提供主要原料，尾矿的利用率达到70％以上。

Progressive valve nitrogen gas-charged shock absorbers attach from a low point on each knuckle to a highly rigid attachment point on the unit body.

进阀氮气增压减震器重视每一个关节点低，高刚性附着点在单位机构。

The key point was the structural design of sliding blocks for shaping,the application of pin point gate and auto-demolding mechanism.

由于塑件结构复杂，设计时注意了点浇口的使用和相应三板式注射模的特点，并采用了自动脱料装置，以利于浇注系统凝料的取出。

The pitch point uses the intelligent pitch point design, uses DDS362-G1 single-phase 电子式 electrical energy table gathering to use electricity the information.

节点采用智能节点设计，使用DDS362-G1单相电子式电能表采集用电信息。

Because the bracket is covering center point of the clinical crown, the shorter part of the Dougherty gauge cannot actually reach this point of the tooth.

由于支架覆盖中心点临床冠，在较短的部分多尔蒂衡量不能真正达到这一点的牙齿。

Man hollowing out a pumpkin is also engraved with a face point, the ghost of the candle used to disperse; Another point is the ghost of the candle, trying to cheat the people taken in and follow the ghost to go, so people on the surface of the pumpkin engraved with a mockery of the face to make fun of the ghost: Humph!

一种说是人挖空了南瓜又刻上鬼脸点上烛火用以驱散鬼魂的；另一种说是鬼魂点上的烛火，试图骗取人们上当而跟着鬼魂走，所以人们就在南瓜表面刻上一个嘲讽的脸面，用以调笑鬼魂：哼！

The novel super PC, ASUS ESC1000, is ten times efficient than the present super computers, the computing capacity of the former reaching teraflops (one trillion floating point operations per second) while the latter staying around gigaflops (one million floating point operations per second).

中时电子报》、《自由电子报》＆《联合新闻网》（2009/10/27）交通大学、华硕与NVIDIA整合高速传输介面及平行绘图运算技术，推出目前全球最快速的个人超级电脑ASUS ESC1000，运算能力从Gigaflops，一举跨入Teraflops，效能成长数十倍。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。