查询词典 null hypothesis

If the working hypothesis for global warming is that it's a product of human activity, isn't the only way to test this hypothesis to stop our harmful emissions and see—later and collectively—what has happened?

假如全球变热是由人类活动的这一假设可行的话，那么检测这个假设的唯一方法是不是就是停止开释有害气体然后集中来看会发生什么？

In 1949, in research on the role of hemoglobin in sickle cell anemia, Linus Pauling helped refine the one-gene-one-enzyme hypothesis into the one-gene-one-polypeptide hypothesis.

在1949年，对镰刀状细胞贫血症的研究对一个基因一个酶的假说进一步上升为一个基因一个多肽。

You may not purchase, sell, gift or trade any Account, or offer to purchase, sell, gift or trade any Account, and any such attempt shall be null and void.

你不可以购买、销售、赠送或者交易任何帐号，或者提供购买、销售、赠送或者交易任何帐号的服务，所有此类行为都是无效的。

The processes and the key techniques of the null coupler and acoustic transducers are described and analyzed in detail.

第三部分是光纤声光耦合器和光纤环形器构成的新型OADM 的实验研究。

Therefore,the application of space-time adaptive optimization method to active acoustic homing torpedo is studied, and the conventional method is improved by restraining the side lobe reverbereration and main lobe reverberation with self Doppler null method.

在此基础上研究了空时最优处理方法在主动声自导鱼雷中的应用，通过压低旁瓣减少旁瓣区混响和自身多普勒零陷抑制主瓣混响等措施对传统方法进行了改进。

Hanson L Breastfeeding provides passive and likely longlasting active immunity Annals of Allergy Asthma and Immunology , 1998,null

杨倩%练高建%黄国庆%陈杰半胱胺对鸡小肠粘膜中分泌型IgA细胞和上皮内淋巴细胞的影响南京农业大学学报， 2002，2

This value is characterized as the unique function that satisfies efficiency, complete symmetry, the quasi-null player property and additivity.

这种价值作为唯一的方程的特点是，满足有效性、完全对称性等特点。

If ARP is not used to perform local address resolution of IP_Add, NULL is returned.

但是如果目标IP地址不是路由器的地址，路由器可以转发回ARP请求通过接收的那个接口，到路由表中与链路层地址相符的ARP求助地址。

Lopez-Hoyos M%Ruiz de Alegria C%Blanco R Clinical utility of anti-CCP antibodies in the differential diagnosis of elderly-onset rheumatoid arthritis and polymyalgia rheumatica Rheumatology , 2004,null

魏锦%袁国华%黄慈波%周京国%唐中%蔚破%杨明辉老年类风湿关节炎患者43例临床分析中华老年医学杂志， 2004，01

If there isn't enough memory to satisfy your request, the pool allocator returns a NULL pointer.

如果没有足够的内存满足你的请求，池分配器返回一个 NULL指针。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。