查询词典 necessary condition

Under the condition of moderate-degree ferment-ki lling of fresh tea le aves, to conduct a comparative experiment of the extent of twisting, the positio n of binding, pressure-adding and mould-making, which have great impact on the figuration and endoplasm of green peony. As the result indicates, 5min twisting is necessary for a tight and straight shape.

茶鲜叶在适度杀青的条件下，从揉捻程度、捆绑位置、加压造型等几个对绿牡丹外形、内质影响较大的方面作了对比试验研究，结果表明：揉捻5min，有利茶条条索紧直。

To enforce the sustainable development strategy is the necessary choice according to the condition of our country.

人类发展的历史和现实都告诉我们：工业文明的发展道路，是一条非持续发展的危险道路。

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。

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。

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的解决。

The author makes a new exploration about such problems as the Chinese expression and its classification, the basis of true or false judgment, the equivalent expression of the negative proposition of the hypothetical judgment under necessary conditions and the anti-syllogism under the condition that the proposition is used as the premise.

就必要条件假言命题的汉语表达式及其分类、判定真假依据、负命题的等值式，以及以此类命题作前提的反三段论等问题，作出了全新的探讨。

I Under the general linear model with normal error vector and under convex or matrix losses, the necessary and sufficient condition for there to be UMRU estimators of any linear estimable function SXβ of regression coefficients are obtained.

i在误差向量遵从正态分布，在凸损失或矩阵损失下，得到了回归系数的可估线性函数SXβ的UMRU估计存在的充分必要条件。

This is not a sufficient condition for eventual recovery. But it is a first and necessary one.

这并非经济最终复苏的充分条件，但却是先决和必要条件之一。

According to recent market condition, automobile advertisements are excursive, I think, they are necessary to combined with advertising campaign. Automobile is a durable consumption, its advertisement should be strategic, long-term planned, and combined with sales activities.

根据目前市场上汽车广告散漫的现状，我觉得汽车广告有必要与广告运动相结合，汽车作为一种耐用消费品，它的广告必须是战略性的，长久性的，而且是与营销活动相结合的。

Most of strains that can produce exoenzyme are easily degenerative, so it is necessary to prepare apropos seed used immediately in production and establish its storage condition.

分泌胞外酶的菌种极易退化，造成产酶能力下降甚至消失，因此生产菌种的制备和恰当保存是发酵成功的直接内因。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。