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The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.是什么意思？

The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.

无效假设这个概念产生于早期的统计学在农业和医学方面的应用中.

相关词汇
the term null hypothesis arose from earlier agricultural and medical ation of statistics

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

term

n. 学期，条款，术语，期限；vt. 把…称为，把…叫做；
例句
What a crazy scheme, and I use that term advisedly.
这是个多么疯狂的计划，我用了那个词是斟酌过的。

null

adj. <术>零值的，等于零的，（协议） 无法律效力，失效的；
例句
The agreement will be considered null and void.
该协议将被视作无效。

hypothesis

n. 假设，假说，[逻]前提；
例句
The statistics to prove or disprove his hypothesis will take years to collect.
收集数据来证明他的假设是否成立要花上数年的时间。

arose

v. 呈现，出现，发生( arise的过去式 )，（由…）引起，起身；
例句
Heavy Metal music really arose in the late 60s.
重金属音乐真正形成于60年代后期。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；
例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

earlier

adj. 早期的，初期的；adv. 早期（地），初期（地）；
例句
The author has abstracted poems from earlier books.
作者从以前的书中摘取了一些诗作。

agricultural

adj. 农业的，耕种的，农艺的，农学的；
例句
Many of the old agricultural collectives are now being turned into agribusiness corporations.
许多老式的农业合作群体现在正在转型为农业综合经营公司。

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

medical

adj. 医学的，医药的，医疗的，内科的；n. 体格检查；
例句
...a Code of Practice that would give patients right of access to their medical records.
允许病人查看自己病历的职业准则

ation

增强辐射，文明阶段；
例句
The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.
无效假设这个概念产生于早期的统计学在农业和医学方面的应用中.

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

statistics

n. 统计，统计学，统计法，统计资料，统计数字，“statistic”的复数；
例句
Officials admit the actual number of AIDS victims is much higher than statistics reflect.
官员们承认艾滋病患者的实际数量比统计所显示的数字要大得多。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
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Maggie's head was spinning in a daze of ultramarine blue far removed from Catholicism or Polynesia.
麦琪的思想远离天主教而沉入了让人眼花缭乱的深蓝色中.
On the Structure of " Nationality Corridor " and " Two Verticality & Three Horizontality "
论 “ 民族走廊 ” 及 “ 二纵三横 ” 的格局.
The project was outlined with relation to available funds.
这方案是根据可以获得的经费而拟定的。
Such die - hards will be discard by history.
这种顽固分子会被历史所抛弃.
A man may talk like a wise man and yet act like a fool.
一个人可能说话像个聪明人,而行为像个大笨蛋。
The motion is periodic, which means it occurs identically over and over again.
这个运动是周期的, 意即运动以同样的形式重复出现.
The Windermere Golf Club is proof positive that golf and ecology can co-exist in perfect harmony.
温德米尔高尔夫俱乐部证明了高尔夫和生态能完全和谐共存。
Changes in the law were railroaded through Parliament by unprin - cipled politicians.
法律的改变由那些无原则的政客们施加不正当的压力,在国会上强行通过了.
To be quite fair, the phrase is by no means self - explanatory.
公允地讲, 这个短语并非是不加解释一看就可以明了的.
This was a dreadful crime and a severe sentence is necessary...
这一罪行十分恶劣，必须要重判。