查询词典 affirmative proposition

"All men are mortal" is an affirmative proposition.

"人总是要死的"，是一个肯定命题。

In logic, affirmative comparative sentence is positive proposition,the negative is negative proposition.

从逻辑上讲，肯定比较句是正命题，否定比较句是负命题。

Physics concepts, theorems as well as principles are primary content of physics learning, those knowledge take on the forms by proposition . In chapter 3, the study revealed that physics proposition are mainly obtained by reasoning (inductive reasoning such as tallying method, differentiation method and covariant method, deductive reasoning such as negative expression of hypothetical inference, affirmative expression of hypothetical inference ).Then by the means of experiment, the different condition needed when applying those reasoning was explored.

由于定义性概念、定理和定律等命题知识是物理教学的主要内容，所以在第三章中首先通过研究，表明物理命题主要是运用推理策略获得的(归纳推理策略中的求同策略、差异策略和共变策略，演绎推理策略)；然后通过实验等方法研究使用策略需要的条件；最后依据前面的研究提出适合物理命题学习的任务分析方法。

The non-typical semantic presupposition of yes-no question and affirmative-negative question is usually an exclusive disjunctive proposition.

是非疑问句和正反疑问句的预设通常是一个不相容选言命题；选择疑问句的预设，一般是一个不相容选言命题，有时则是一个相容选言命题；特指疑问句的预设，通常就是用"有X或某X"取代问句中的疑问词后所得的陈述句。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。