英语 - 维基百科 英语 （ English ）属于 印欧语系 中 日耳曼语族 下的 西日耳曼语支 ，由古代从欧洲大陆移民 大不列颠岛 的盎格鲁、撒克遜和朱特部落的 日耳曼人 所说的 语言 演变而来，并通过 英国 的 殖民 活动传播到世界各地。由於在歷史上曾和多種民 ...
充分必要条件- 维基百科，自由的百科全书 充分及必要條件（necessary and sufficient condition）簡稱「充要條件」。 在逻辑学中 ：. 当命题「若A則B」为真时，A称为B的 ...
充分条件 必要条件 充要条件 > sufficient condition,necessary ... (KudoZ) Chinese to English translation of 充分条件 必要条件 充要条件: sufficient condition,necessary condition,sufficient ...
充分條件和必要條件和充要條件有哪裡不同- Yahoo!奇摩知識+ 那麼我們就稱甲為乙的充分條件，乙為甲的必要條件。 按： .... 若P則Q」英文有時候也 寫成：If P then Q.
充分條件、必要條件與充要條件?(邏輯、集合)(頁1) - 高中數學討論區 ... 其實充分條件與必要條件需要看英文才行！ 充分條件：Sufficient Condition A is sufficient for B.
Causality - Wikipedia, the free encyclopedia Aristotle identified four kinds of answer or explanatory mode to various "Why?" questions. As a result of ...
Literature.org - The Online Literature Library Classics at the Online Literature Library Aesop Louisa May Alcott James Matthew Barrie L. Frank Baum Anne Bronte Charlotte Bronte Emily Bronte Edgar Rice Burroughs Lewis Carroll Willa Cather Wilkie Collins Stephen Crane Charles Darwin Honore de Balzac ...
Self-sufficiency - Wikipedia, the free encyclopedia Self-sufficiency (also called self-containment) is the state of not requiring any aid, support, or interaction, for survival; it is therefore a type of personal or collective autonomy. On a national scale, a totally self-sufficient economy that does not t
Are there human races? « Why Evolution Is True UPDATE: I've received an email from a researcher who points out that two of my statements are either misleading or incorrect in view of more recent work. Here's the email and links: In your interesting blog article "Are there human races?", you write:"As
Homesteading Today - getting back-to-the-land practicing sustainable, agricultural, ecologically sou Homesteading Today is an online forum and community of individuals who are getting back-to-the-land practicing sustainable, agricultural, ecologically sound, do-it-yourself, self-sufficient lifestyles. ... Look here for help identifying plants and trees,
