查询词典 backward

This use of the document window allows you to navigate forward and backward in the topic viewing history.

文档窗口的这一使用方式允许您在主题查看历史记录中向前或向后导航。

How? If you stand under a doorway and the doorjamb falls forward or backward you will be crushed by the ceiling above.

如果你站在门口，而门柱向前或向后倒塌的话，你会被掉下的屋顶压到。

Since reforming and opening, a batch of traditional and backward dorp of our country show itself become rich village, collective economy develops the village rapid.

改革开放以来，我国一批传统落后村落脱颖而出成为富裕村，村集体经济发展迅速。

Plenty of samples is provided for training BP neural network by traditional design method and the topology structure is built using forward propagating data and backward propagating error data, which is applied to optimal design of parallel double broken line pulley in order to accomplish the mapping between main parameter of hoisting mechanism of gantry crane and the related parameters of parallel double broken line pulley.

利用传统的设计方法为BP神经网络的学习提供足够样本集，然后通过正向传播和误差反向传播建立BP神经网络的拓扑结构，并将其应用于平行双折线卷筒的智能设计中，以完成龙门起重机起升机构主要设计参数与平行双折线卷筒相关参数的映射，提高设计的质量和效率，为龙门起重机关键零部件的智能设计提供一个新的途径。

New China has just established, our military surveying and mapping tools is still quite backward, and relies on a pen, a drawing board, an instrument such as simple equipment, be taken based on labor-intensive manual work-based modes of production.

新中国刚成立时，我军的测绘手段还相当落后，靠的是一支笔、一块图板、一台仪器等简陋的装备，采取的是以人力密集型为主的手工作业生产方式。

Some conclusions are followed:(1)the reaction ratio of boron is 12% in primary combustion;(2)the degree of agglomeration can be decreased adopting boron coated with AP;(3)the content of oxygen is very important for afterburning efficiency;(4)the afterburning efficiency will be changed with different air-gas ratio;(5)the head distance of after-burning chamber is increasing, the circumfluence in the head of after-burning chamber is stronger and the distribution of fuel backward the after-burning chamber is more well-proportioned.(6)the combustion efficiency of DR will be improved by increasing the area of fuel nozzle.(7)the angle between dual air-inlets have complex influence with the combustion of DR.

通过本项研究，取得如下结论：（1）一次燃烧硼反应比例在12～15％之间；（2）AP包覆硼，可以降低硼结团度，有利于一次燃烧喷射效率的提高，也有利于硼在补燃室进行二次燃烧；（3）进气空气中的氧含量对二次燃烧非常重要；（4）对于一定配方的含硼富燃推进剂，不同的空燃比，二次燃烧效率不同；（5）补燃室头部距离的增加能增强补燃室头部回流以及提高燃料在补燃室后段分布的均匀性；（6）在一定范围内，增加一次燃气喷嘴面积能提高冲压发动机燃料的燃烧效率；（7）进气道夹角对补燃室内燃料的燃烧影响复杂。

During MAO process, the dynamic forward resistance is always different from the backward resistance, and the former is generally greater than the latter.

MAO过程中，各时刻的动态正、反向电阻值不同，一般情况下，动态正向电阻大于反向电阻。

The absurd and backward-looking notion of locating a research centre in an effete , rundown, has-been country.

把研究中心设在一个苍老、衰退、过了时的国家，纯属愚蠢，开倒车的想法。

By extrapolating backward from the ejecta, it is found that the initial time of the outburst was on 9 September (9.5±0.2 UT).

根据喷出物的运动外推出爆发的初始时刻是1996年9月9日(9.5±0.2 UT)。

Because the coupling condition of NNGFM arises from the net current continuity imposed at the volume element interfaces, the relatively complex conversion formulation for partial current continuity condition of NGFM is unnecessary when applying G. E. T., and computation time is saved. The coefficient matrix of the coupled equations is tridiagonal, so it can be solved by forward elimination and backward substitution method.

NNGFM的基准校验及在大庆200MW核供热堆(NHR-200)上的应用表明，NNGFM计算精度和速度与第三类边界条件格林函数节块法NGFM〓相当，在相同精度下速度比CITATION能快1000倍；NNGFM给出的本征值、功率分布较NNGFM误差能减少一半以上，为更精确计算工作期、卡棒当量提供了条件。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷