下的
- 与 下的 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The equivalent form for the PI regulator in stationary form is deduced and a resonant link is proposed.
最后分析了旋转坐标系下能实现稳态无静养的比例积分器在静止坐标系下的等效形式,提出包含单次谐波内模的谐振控制器。
-
Navigation data of sphere earth model, ellipsoidal earth model and ellipsoidal earth model with the error of inertial component was measured with the flight orbit data of sphere earth model.
用圆球模型下的飞行轨迹数据对圆球模型,椭球模型,加惯性元件误差的椭球模型下的捷联惯导系统导航参数进行测试。
-
By the way of using chemical analysis, FT-IR and ESCA, a comprehensive analysis have been focused on the bulk and the surface characters of Asplund defi bated wheat straw, which was the first trying in China.
利用化学分析法、傅立叶红外光谱、化学光电子能谱等手段研究了麦秆纤维的化学组成在不同处理条件下的变化规律以及麦秆纤维中纤维素、半纤维素、木素在不同处理条件下的结构变化等。
-
The results indicate:In normal temperature condition,the amount of ethene producted by the fruit which kept with...
结果表明:在常温条件下,以蚕茧作为保鲜剂的水果比其他条件下的乙烯累积量少,好果率高、果实硬度高、贮藏期长;低温有明显的保鲜效果。
-
However, the quantity of supply, under the influence of the ever-increasing rent will be subject to downward pressure.
然而,供应量的影响下不断增加的租金将受到向下的压力。
-
Firstly numerical simulations of 2D turbulence flow over trains with wall and without wall are performed so as to investigate mesh, turbulence model, boundary conditions and relative parameters, at the same time, through the analysis characteristics of flow field and aerodynamic forces are acquired for the train under static condition.
首先进行列车有挡风墙和无挡风墙情况下的二维湍流绕流数值计算分析,研究模型网格、湍流模型、边界条件以及有关的参数设置和选取,并获得列车在二维绕流情况下静止时的流场特性与气动力。
-
In this article, aiming at a kind of elliptic problem, three types of preserving-symmetry finite volume schemes under quadrangle partition grids are firstly established . During the course of the establishing, the" vertex-centered" control volume are selected and the balance-equation is discretized by utilizing the finite volume element method.
本文首先对自共轭椭圆问题,在四边形剖分下,通过选取"vertex-centered"类型的控制体,并利用有限体积元方法对平衡方程进行离散,首次建立了四边形剖分下的三种保对称的有限体格式。
-
The ignition and its flame spreading test system of the modular charges in the natural environment is built up, a number of ignition and its propagation methods are simulated, the characteristic parameters of the system in the natural environment are obtained.
本文针对刚性组合装药的点传火技术进行了一些基础性试验研究和理论分析,建立了自然环境下刚性组合装药的点传火试验系统,并对多种点传火方案进行了模拟试验,获得了点传火系统在自然环境下的重要性能参数。
-
When researching the equilibrium problem under open economy, Mundell and Flemming expand the IS—LM model, provide a powerful tool for researching this problem.
蒙代尔和弗莱明在研究开放经济条件下的内外均衡问题时,对IS—LM模型进行了扩展,为研究开放经济条件下的财政政策与货币政策效用问题提供了强大的工具。
-
The anti-darkening abilities increase as following order: flint glass By using multiphoton absorption ionization and spectrum broadening theories and according to the experimental results, the mechanisms of 800nm femtosecond laser induced darkening in the glasses were demonstrated.
同时,测试了各种玻璃在1064nm的纳秒和皮秒激光照射下的光致暗化现象,结果表明,玻璃在这两种激光的作用下不产生光致暗化。
- 推荐网络例句
-
I will endeavour to find you some assistance.
我尽力帮你找人帮忙。
-
At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.
起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。
-
Ah may dee:You are chinese living in a democratic country.
你是居住在民主国家的中国人吧。