查询词典 step in

Based on the systematic analyses of the applications and developments of step motor, the driving technique of step motor are analyzed in this paper, and upon these statements, a mathematical model of VR step motor is built. With this model, the coil current of step motor with chopping driver and the non-loaded starting frequency are simulated for the base of designing of step motor servo system.

本文在系统分析了步进电机应用和发展的基础上，对步进电机的驱动技术作了详尽的论述，建立了三相反应式步进电动机的数学模型，并利用该模型对斩波驱动的步进电机绕组电流及空载运行的启动频率等进行了仿真，为步进电机驱动系统的设计提供了依据。

One of the methods for estimating the vanishing point from the image of the invention includes: a dividing step for dividing the image into snippets; a first detecting step for detecting a local direction of each snippet; a combining step for combining lines of directional pencil of lines according to the local direction detected in the first detecting step; and a first calculating step for calculating at least one vanishing point according to the combined lines of directional pencil of lines in the combining step.

根据本发明的用于从图像检测消失点的方法之一包括：用于将图像划分成小片的划分步骤；用于检测每片的局部方向的第一检测步骤；用于根据在第一检测步骤中检测出的局部方向组合方向线束的直线的组合步骤；和用于根据在所述组合步骤中组合的方向线束的直线计算至少一个消失点的第一计算步骤。

The tactics in students learning are: attach importance to train mathematical ability of study, attach importance to happening and developing about knowledge, arouse students to organize the system of knowledge initiatively, be good at finding the problems about students'study and to solve it and feedback timely. The methods of dealing with text are: adjusting order and going to the aim step by step, having good bedding and linking up successfully. The methods of teaching are: paying attention to excavate hide knowledge, reducing hinders of students, paying attention to the hard trying in study producing, arousing students'factor of unintelligence, teaching basis on the text and getting progress step by step, attaching importance to thinking habit and conquering the difficult in teaching, fostering fine atmosphere in study collectively.

学生学习方面采取的策略有：重视培养数学的学习能力；重视知识的发生发展，激发学生主动建构知识体系；善于发现学生的学习问题，及时进行解决和反馈；教材处理的策略有：调整顺序、逐步到位；作好铺垫、顺利衔接；教师教学方面采取的策略有：注重挖掘隐性知识，减少学生的学习障碍；关注学习过程中的努力，激发、提高学生的非智力因素；注重因材施教，循序渐进；注重学生的思维习惯，突破教学难点；培养良好的集体学习氛围。

The process comprises the subsequent steps a through e: a reacting phthalic anhydride with fluorobenzene or a derivative thereof in appropriate reaction conditions; b over reducing the product obtained in step a at the ketone moiety; c reducing the product obtained in step b with sodium dihydro-bis (2- 15 methoxyethoxy) aluminate to the corresponding alcohol ; d chlorinat ing the alcohol obtained in step c ; e inserting CO into the product obtained in step d through an appropriate Pd-containing catalytic system.

该方法包括以下步骤a～e：a使邻苯二甲酸酐与氟苯或者其衍生物在适当的反应条件中反应；b完全还原步骤a中获得的产品的酮部分；c用二氢-二(2-甲氧基乙氧基)铝酸钠将步骤b中获得的产品还原成相应的醇；d对步骤c中获得的醇进行氯化；e通过适当的含Pd的催化剂体系，将CO插入到步骤d中获得的产品中。

Through the actual design experience of Xuhui Campus general plan of Shanghai Jiaotong University, it makes the conclusion of exterior space design steps for hisoried campuses. Step 1: research the buildings in campus and analysis in grade. Step 2: make the function distribution area. Step 3: make out the buildings distribution plan. Step 4: design the campus general plot plan. Step 5: finish the exterior space plan of historied campus. Step 6: set up the evaluation standard of historied campus exterior space.

以上海交通大学徐汇校区总体规划实际项目为例，总结出老校园建筑外部空间的设计步骤——第一步：调研校园建筑并分级研究；第二步：确定校园功能分区；第三步：完成校园房产资源配置方案；第四步：完成校园总体规划方案；第五步：完成校园建筑外部空间设计；第六步：建立校园建筑外部空间评价标准。

The process of three-step countercurrentleaching is presented, in the first leaching step Fe as leading impurity inthe matte is leached priorly, Co and Ni are enriched in the residue of thefirst step and then are leached in the second leaching step with a lowconcentration acid, the residue from the second step containing hardleaching Fe, Co and Ni are leached with a high concentration sulfuricacid in the third step, and Cu stays in the final resude, the leachate of thethird leaching step is diluted and divided into two parts as the leachantsto the first and second leaching step.

在此基础上，提出了三段逆流选择性浸出技术：即第一段用低酸优先浸出钴冰铜中杂质铁，将钴镍富集到第一段的浸出渣中，第二段再用低酸浸出渣中部分钴镍，第三段用高酸浸出第二段渣中难浸的钴镍铁，将铜留在最终的浸出渣中，第三段浸出液经稀释，分流，分别返回至第一段，第二段作低酸浸出介质。

For example, an objective polyester can be produced in a method of producing an ester comprising, a first step wherein a diol is reacted with an ester produced beforehand from a dibasic acid and a monofunctional alcohol, or an ester produced beforehand from a monofunctional alcohol and diol, a second step wherein unreacted ester is separated from the product produced in the first step to obtain another ester, and a third step wherein unreacted ester separated in the second step is recycled to the first step, 0.05-5 millimoles of the catalyst relative to one mole of acid being used in said first step.

例如，可以应用制备酯的方法制备目的聚酯，包括，第一步，使二醇与产生的酯反应，该酯由二元酸和单官能团醇预先制得，或由单官能团醇和二醇预先制得；第二步，将未反应的酯与第一步所制得的产物分离，得到另一种酯；第三步，将第二步中分离出的未反应的酯循环回到第一步中，在第一步中相对于1摩尔酸来说，应用了0.05-5毫摩尔所述的催化剂。

Selling your stock is the most important step in the entire investment pr...

你卖股票是最重要的一步，在整个投资公关

The first step in pregnancy is to visit a doctor and have yourself examined for any possible complication, get your pap smear, blood test, the works; also make sure that you get as much information as possible to help make sure your pregnancy is being handled properly.

第一步，在怀孕的方法是访问一名医生和有自己的研究，为任何可能的并发症，让您的子宫颈抹片检查，验血，工程；也一定要先得到尽可能多的信息，以帮助确保您的怀孕是正在处理妥善。

Lodi Gyari, one of the Dalai Lama's representatives at the talks, described them as a "step in the right direction" and said more would be held, though no date has been announced.

尽管没有任何信息公布的信息， Lodi Gyar 达赖喇嘛的发言人，将中方态度描述为为&找到了正确的方向&，并且有更多深层意向。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失