necessary condition
[数] 必要条件,充分必要条件
2026-03-21 21:51 浏览次数 16
[数] 必要条件,充分必要条件
1. a state of affairs that must prevail if another is to occur prerequisite
2. a proposition whose falsity assures the falsity of another
essential condition必要条件
necessary sufficient condition关系
necessary optimal condition必要最优条件
requirement要求;必要条件;必需品
Necessary e condition必要条件
necessary optimality condition最优性条件
Fritz John necessary optimality conditionFritzJohn必要最优性条件
sufficient and necessary condition充要条件;[数] 充分必要条件
necessary and sufficient condition[数] 充要条件;必要且充分的条件
Necessary requisite condition构成要件
necessary y condition必要条件
it is hard to argue, with so many different computer systems around, that mainframes still constitute a separate market—a necessary condition if ibm’s behaviour is to be judged anticompetitive.
不得不承认,虽然有很多不同的电脑系统,但是主机仍是一个分割的市场——如果判定ibm的行为时反竞争的,这是一个必要的条件。
so it「s a sufficient condition for an argument being valid that there is no possible situation where the premises are true and the conclusion false. and that」s a necessary condition too.
所以这对于论点有效性是充分条件,没有可能前提为真,结论为假,这是必要条件。
new technologies were a necessary condition for the green revolution, but not a sufficient one.
而新技术只是绿色革命的必要非充分条件。
lisp is a functional programming language, but that is not a necessary condition for a dynamic language.
lisp是函数式程序设计语言,但这不是动态语言的必要条件。
such activation, we may say, is a necessary condition of addiction.
我们说这种行为是上瘾的基本条件。
as the clothes against the cold, with one of the health is also a necessary condition of human existence, while it is often overlooked.
正如衣物御寒一样,拥有健康也是人类生存的必要条件之一,而它却往往被忽视。
time is thus a necessary condition to achieve the previously stated objectives of arbitrage and cooperation.
由此,时间是一个实现之前所提到的利益寻租和合作目标的必要条件。
「failure early on is a necessary condition for success, though not a sufficient one, 」 he told forbes in 2007.
他在2007年接受福布斯采访的时候说:「早期的失败是成功的关键因素,但是失败并不是必不可少的。」
because necessary condition for p and q being true if p and q are true. sorry. it is. you all knew that immediately.
因为p和q为真的必要条件,如果p和q为真,不是,你们立刻知道了。
on the web, usability is a necessary condition for survival.
在网络上,可用性是生存的必备条件。
it「s a necessary condition for the mature love.
但它是成熟的爱的必要条件。
good presenters know that the content (data, evidence, logic) is a necessary condition but not a sufficient condition for a truly world class presentation job.
优秀的讲演者知道,内容(数据、证据、逻辑)只是真正的世界级讲演的必要条件,而非充分条件。
but, it seems equally clear that this necessary condition (call it the neutrality condition) is not sufficient.
但是,同样显然的是,这个必要条件也是不充分的。
in a business setting — as in all other social relationships outside the workplace — trust is a necessary condition for effective cooperation within a group.
在商业领域,就像在工作场合的其他社会关系一样,信任对企业间有效合作的必要因素。
being able to trace who said what is a necessary condition for building a system of trust, but this is not generally sufficient by itself.
能够跟蹤谁说了什么是构建可信系统的必要条件,但只有这一条件,通常还不够。
you mean a necessary condition but not sufficient.
你是说经历伙伴之爱是必要但不充分条件。
but it does seem to be a necessary condition for the long-term success of nations.
不过,人口增长却似乎是一个国家长期成功的必要条件。
and so the necessary condition for this first solution, which is an obvious one, - is to make the period of the sandwich-- s to make that one minus f of the period of the astronauts in orbit.
这是第一种方案的,必要条件,很明显的是,让三明治的周期-,代表三明治-,s,stands,for,sandwich—,等于,乘以宇航员的周期。
so some type of security and guarantees for morgan tsvangirai」s safety certainly should be a necessary condition for holding a runoff, " she said.
所以,对茨万吉拉伊采取某种保安措施和安全保障当然应该是举行决选的必要条件。
well, it’s good to know that the senator is capable of revising his theories after he acquires new information, a necessary condition for a truly scientific worldview.
好吧,我们的参议员能够在获得新信息之后修改其理论是件好事,毕竟这是拥有科学世界观的必备条件之一嘛。
lifting it is viewed by many as a necessary condition for peace.
这项法律的撤除,在很多人看来,都是和平的必要条件。
while these missions scour our solar system for traces of water — a necessary condition for life — a group of scientists is looking beyond, at solar systems light years away.
从这些在我们太阳系中搜寻水的事件中,引导了一个昭示——生命存在的必需条件。 以至于大批的科学家开始在太阳系的光年距离外大举行动。