如果我们反推回去，会发现大约在一百五十亿年前，我们必定全都彼此紧靠在一起，这就是大爆炸，即宇宙的开始。
If we extrapolate back, we find we must have all been on top of each other about 15 billion years ago. This was the Big Bang, the beginning of the universe.
反推效率随着压比的增大而降低。
The thrust reverser efficiency declines as the increase of the pressure ratio.
风扇空气也可用于冷却发电机和反推装置。
Fan air is also used for cooling the generator and thrust reverser.
建立了外涵叶栅反推器的轴对称计算模型；
The axisymmetric numerical model of the bypass cascade thrust reverser was established.
反过来，若已知镜质体的生烃率，应可反推其受热史。
On the contrary, if when the hydrocarbon yielding is known, it is possible to deduce the heating history it experienced.
基于该系统，给出了一种降阶自适应反推控制器的设计方案。
Based on the system, a design scheme of reduced-order adaptive backstepping controller is given.
叶栅叶片，在反推工作时，使发动机气流向相反方向流动的叶片。
CASCADE vane, a vane for turning the engine airflow during operation of thrust reverser.
构造反演是指利用构造变形形态反推使之变形的断层的几何参数。
The method of fault geometrical parameter that to bring about tectonic deformation through known deformation characteristics is called structure inversion.
研究了基于MT -滤波器的连续自适应反推控制的数字实现问题。
The problem of digital implementation of continuous adaptive backstepping control based on MT-filter Is studied.
根据线电流与电偶极辐射场的关系，由无限长棱边的场反推得微元的场。
According to the relation between the radiating fields of line current and dipole, the radiating fields of the edge elements are obtained by reversion from the scattering fields of the infinite edges.
采用状态转换技术和反推方法，设计了只依赖于输出值的输出反馈控制器。
The state switching technique and back-stepping approach is used to design the output feedback controller.
构造反演（反问题）是指利用地层变形形态反推使之变形的断层的几何参数；
The method of fault geometrical parameter that to bring about tectonic deformation through known deformation characteristic is go by the name of structure inversion.
通过综合应用反推、调节函数、SDU分解和估计参数，得到了控制器的设计。
The control design is achieved by using backstepping, tuning functions, SDU factorization and estimating parameters.
现有OD矩阵反推技术大都将路段流量确定为稳定不变的，导致反推精度不高。
Link flows are usually hypothesized as constant variables in the existing OD matrix estimation technology, which yields a low accuracy.
你能用一个类似的技巧来建立移情：通过从可观察感情产生效果反推至感情本身。
You can use a similar technique to develop empathy, by working backward from the observable effects of emotion to the emotion itself.
反推装置（T／R）系统控制风扇叶片气流的排气方向从而实现正推力和反推力。
The thrust reverser (T/R) system controls the direction of the fan air exhaust to make forward or reverse thrust.
水均衡分析法原理是根据岩溶系统径流反推补给面积，进而确定地下水分水岭的位置。
The principle for water balance analysis is to reversely derive the area of water supply according to runoff amount in the karst system, further to determine the position of the groundwater divide.
针对风机负载的特点，提出一种基于非线性控制策略的反推控制，实现了速度闭环控制。
This study brings forward backstepping control based on nonlinear control strategy as a possible way to implement close-loop speed-control based on the characteristic of fans load.
这些先进工具的使用，使得干扰阻力被降至最低，改善了发动机吊舱和反推装置的设计。
These tools permitted the minimization of interference drag and also facilitated the design of the engine nacelle and thrust reverser.
根据傅立叶光学理论从光栅的衍射频谱中可以反推光栅本身的多种信息，包括其形貌特征。
A lot of grating messages including its profile can be derived from diffraction spectrum of grating according to Fourier optical theory.
设计的反推控制可以实现永磁同步电动机速度跟踪控制，保证系统具有良好的速度跟踪性能。
The newly designed backstepping control is implemented for permanent magnet synchronous motor (PMSM) to track speed commands, at the same time the design can provide better speed tracking performance.
基于已有的电模拟坯料展开方法，提出了一种新的关于胀形件的类等势场反推坯料展开方法。
Based on the electric analog method for blank unfold which has already exist, a new reverse educing method about bulge-blank unfold based on equipotential field is introduced.
给出变质量质点的动能定理和一对反推内力作功的表达式，并由此给出软绳问题的正确解释。
A theorem on kinetic energy for variable mass-point and formula of work of recoil internal forces are given and the reason of soft-rope query is discussed.
涡轮机后特殊的燃气分配截流阀、燃气管线和燃气反推控制喷口系统被首次用于火箭E段的控制。
A system of special gas distribution throttles, gas lines and control gas-reaction nozzles behind the turbine was first used for control on unit e.
基于站点上下客人数，采用简单概率分布模型，可提出反推公交站点间的OD分布矩阵的具体方法。
Based on the passenger boarding and alighting data, simple probability distribution model is used to propose the specific methods of calculating inversely the transit stop od distribution matrix.
依据电场模拟的一般规律，提出了一种基于等势场的材料成形坯料反推新方法——类等势场反推法。
A new reverse educing method about forming blank has been given based on the similar equipotential-field, which refers to the universal law of the electric field analogy theory.
重点介绍了综合分析法、砂岩微观结构判断法、色谱法、反推法、热水实验法和间接资料法六种方法。
Emphasizes on introducing the following six methods: comprehensive analysis, sandstone microstructure diagnosis, chromatography, reverse inference, hot water experiment and indirect data.
航空发动机叶栅反推器叶型参数与反推效率、流量系数之间的规律对于反推装置的设计具有重要意义。
It is important to study the mechanism between the cascade blade profile parameters and the thrust reverser effectiveness.
反推控制是一种新颖的非线性控制策略，算法简单，易于工程实现，是目前交流伺服控制研究热点之一。
Backstepping control called a novel nonlinear strategy is one of the high focus research in ac servo drive for simple arithmetic and facility project implementation.
然后利用积分反推方法，构造性地设计出了输出反馈稳定控制器、自适应镇定控制器和渐近跟踪控制器。
Then, the output-feedback stable controller, the adaptive output-feedback stable controller and asymptotical tracking controller are constructively designed using integral backstepping approach.
应用推荐