查询词典 absolutely necessary

Gosling new type viral enteritis is a new disease, whose epizootiology, the clinical symptoms and lesions are quite similar with those of gosling plague, and causes a serious economy lose for geese industry. Therefore, it is important and necessary to study the etiology, to develope a rapidly diagnosis technique, and to search the prevention and control measure of the disease.

雏鹅新型病毒性肠炎(gosling new type viral enteritis，GNTVE)是新近出现的一种在流行病学、临床症状和病理变化方面与小鹅瘟(gosling plague，GP)极其相似的传染病，它的出现给养鹅业造成了严重的经济损失。

In order to eliminate the affect in installation and make the gear equably bear the load, it is necessary to make profile modifying of gear.

为消除安装误差的影响，使轮齿受载均匀，需对齿面进行修形。

The best hope then is that all the bracing effort enjoined on us by summit communiques might not be so necessary if the equalisation takes place from the other end: that is, if it is Chinese wages which do the rising rather than western wages doing the falling.

最好的前景是，峰会公报要求我们做出的努力不会如此必要，前提是平等从另一端开始，即中国的工资上涨，而不是西方国家的工资下跌。

In the fourth chapter, we discussion the characterization of admissible in the general linear model under equality constraint and inequality constraint, we give the necessary and sufficient condition that homogeneous linear estimator is admissible estimator, and by using the relationship between homogeneous and inhomogeneous linear estimator, we obtain the characterization of admissible inhomogeneous linear estimator.

第四章分别在带等式约束条件以及不等式约束条件下，讨论了一般线性模型线性估计的可容许性特征，给出了在约束条件下齐次线性估计为可容许估计的充分必要条件，同时利用齐次线性估计与非齐次线性估计之间的关系，把齐次线性估计的可容许性特征推广到了非齐次线性估计的可容许性特征。

Then we derive first-order necessary optimality conditions for optimization problems with affine variational inequality, which joint upper-level feasible region Z includes a linear inequality constraint and a linear equality constraint.

其次，我们研究Luo的带仿射变分不等式约束优化问题，其中上水平约束Z不仅含有线性不等式约束，而且含有等式约束情形时的一阶最优性条件，同时还给出了Z的切线锥的表达式。

E Such sums as may be necessary to enable the Tax Equalization Fund to meet current commitments pending the accumulation of credits; such advances shall be repaid as soon as credits are available in the Tax Equalization Fund

e 必要款项，使衡平征税基金在收足贷项款项以前能够支付当前承付的款项；一俟衡平征税基金收到贷项款项，即应归还此种垫款

In this case, it may be necessary to add an equalizer block.

在这种情况下，有必要增加平衡块。

So it is necessary to improve and redesign the equalizer bar.

因此有必要对平衡梁进行改进和重新设计。

In chapter two, by studying the properties of self-maps on trees, we obtain five necessary and sufficient conditions for the product self-maps on trees which have the property of equicontinuity on their sets of periodic points, i.e.

第二章通过对树上连续自映射性质的研究，给出了树上乘积自映射在其周期点集上等度连续的五个充要条件，即定理2.3.1，定理2.3.2，定理2.3.3和定理2.3.4。

From the principle of equilibrium, a theorem of necessary and sufficient condition without loss of any working parts in the transfer lines is given, which can help us to solve the problem and obtain the accurate result.

但这样组成的大系统存在生产线的畅通、生产率的协调等问题，给系统可靠性与优化设计造成了很大的困难，长期以来没有得到很好地解决。

The Porsche Owner: But it's my car!

可，这是我的车呀。

LOX_83}{Oh, another bunch of wackos.

{LOX_83}{呃，又一群怪人。