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In recent years, stereodynamics, focused on the research of correlation of angular momentum and other vectors in the process of reaction, was developed and has made a great achievement in both theories and experimental methods.
只有把标量和矢量性质结合起来才能给出一个完整的反应动力学图像。
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Historically Abbe described microscope eyepieces using a different decomposition in terms of angular magnification of the eyepiece and 'initial magnification' of the objective.
虽然被接受的标准距离是250mm,但现在的显微镜会设计成只有160mm的焦距,使得仪器变得非常的紧凑。
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A ship course controller is designed for Norrbin nonlinear ship mathematical model with matching uncertainty. Combining the backstepping algorithm with the nonlinear damping algorithm to design controller, the nonlinear damping is used to cancel the uncertainty. The integral item is introduced in the design to improve the performance of the controller. Now, general ships can only use the electric gyrocompass to measure the course angle, but they have no equipments to measure the angular velocity, so in this article another ship course controller of output feedback is designed for Norrbin nonlinear ship, firstly the angular velocity is estimated by the observer and then the ship course controller is designed.
本文基于含有匹配不确定项的Norrbin非线性船舶数学模型,将backstepping算法和非线性阻尼算法相结合设计船舶航向控制器,利用非线性阻尼来抵消系统的不确定项,同时为了更好地改善系统的性能,在设计过程中引入了积分项;由于目前一般船舶只有电罗经用于测量船舶的航向角,还没有测量船舶航向角速度的设备,因此,针对Norrbin非线性船舶模型设计了一种输出反馈控制器,首先利用观测器对船舶航向角速度进行估计,然后再设计船舶航向控制器。
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Whereas, a trine from the Mars, would have only a 50% effect and its effect would be malefic despite its trinal angularity.
虽然,一个苦参碱从火星,将只有50 %的效应及其影响将是malefic尽管三重角度。
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Many of the facts in the lives of the birds, ani
只有连续几年的观察才能确认这一点。
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Ran defers the action of anile death to exceed the anticipation of researcher, after this one research begins 19 years, the there already is not 34% in runner person that is accepting investigation dies, and there is 15% only in this one scale in runner.
跑步延缓衰老死亡的功能超出探究人员的预期,在这一探究开始19年后,在接受调查的不跑步者中已有34%的人死亡,而在跑步者中这一比例只有15%。
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The pigments synthesized from 2, 7-diaminoflurenone consistently show better photosensitivity than that containing anthraquinone. A plot of the E1/2 values against the Hammett constant σ was obtained for the pigments which have different substituents in the anilide ring. The plot reveals that neither a strong electron-releasing group, such as methoxy, nor a electron-withdrawing group, such as nitro-group, enhances the sensitivity of the photoreceptor in which these pigments are used as CGL materiel.
芴酮类偶氮染料的光敏性优于蒽醌类偶氮染料,其偶合基酰胺芳环取代基为强的给电子基团或强的吸电子基团时都不利于其光敏性的提高,只有当取代基基团为氯时其表现出最好的光敏性,这一结果与Law等人的研究结果相同。
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I am ANIMA,and you are ANIMUS.WHO is the SHADOW?
是啊,只有这样才能开始梦想的第。。。
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Since methane is a potent greenhouse gas, things would have got very hot very quickly, to the detriment of any big animal that could not shed heat easily.
由于甲烷是一种效果强烈的温室气体,被此侵蚀的物质会急速地变热,即使身躯庞大的动物也无法摆脱,最终也只有毁灭的结局。
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If you have only one day to animate the shot, then spend the first couple of hours planning.
如果你只有一天来给镜头做动画的话,那就花开始的一两个小时做计划。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力