查询词典 null character

If the function fails, the return value is NULL.

如果函数失败，返回值为NULL。

This meaning of null, however,is not related to uncertainty or fuzziness.

这个零位的意思，然而，不与不确定性或模糊有关。

When the galvanometer reads zero the circuit is in the null-balance position.

当检流计的读数为零时，电路处于零平衡位置。

In the study of the asymptotic properties, the testing statistics converges to a zero mean Gaussian process and is very sensitive to the to the local alternatives converging to the null one at a parameter convergent rate.

研究发现，文中的检验统计量在原假设下渐近收敛于一个零均值的高斯过程，并且对以参数速度收敛到原假设的被择分布特别敏锐。

This dissertation is deals with study some of the specific linearity tests and investigate the possibility to find a specific linearity test that can use to accurately determinant the alternative nonlinear model and avoiding chose alternative nonlinear model other than the true DGP series generating from, in the case of rejecting the null model.

本文主要研究非线性时间序列模型的一些特定线性性检验问题，通过对研究文献的回顾与综述，研究者试图回答：为什么研究者倾向于使用非线性时序模型？为什么要进行非线性时序模型的线性性检验，并以此作为本研究的逻辑引导。

Vergara J M%Fernandez-Palacios H%Robaina L The effects of varying dietary protein level on the growth,feed efficiency,protein utilization and body composition of gilthead sea bream fry Fisheries Science , 1996,null

钱雪桥%崔奕波%解绶启%薛敏养殖鱼类饲料蛋白需要量的研究进展水生生物学报， 2002，(4)杨国华%李军%郭履骥夏花青鱼饵料中最适蛋白质含量水产学报， 1981，1

These include the department of the amount of wrinkles, yu weiwen, glabella wrinkles, lower profile, nasolabial fold pattern.results300 cases of patients with botulinum toxin type a treatment effect were 234 cases (78%), 66 cases were effective (22%), 0 case was null and void.conclusionsa-botox in the treatment of facial wrinkles precise and effective,simple,easy,painless,non-impact,easy-to-promotion.

其中包括额部皱纹、鱼尾纹、眉间皱纹、下睑纹、鼻唇沟纹。结果：300例患者行a型肉毒毒素治疗后显效者234例（占78%），有效者66例（占22%），无效者为0例。结论：a型肉毒毒素在治疗面部皱纹确切有效，操作简便、易行，无痛苦，不影响工作，易于推广。

Hock R Temperature index melt modeling in mountain areas Journal of Glaciology , 2003,null

康尔泗%朱守森%黄明敏托木尔峰地区的冰川水文特征乌鲁木齐：新疆人民出版社， 1985，null

Wang Xueqiu National and global scale geochemical mapping for mineral exploration and assessment in China Explore , 2005,null

王学求%迟清华%孙宏伟荒漠戈壁区超低密度地球化学调查与评价--以东天山为例新疆地质， 2001，3

During the measurement of the dynamic laser goniometer, it's very important to have a collimation device named null-indicator to establish an accurate zero point, the high speed response and the accuracy of NI are very important.

在激光陀螺测角仪的测量过程中，为了建立一个可靠精确的零点，提出一种特殊的瞄准指示装置--指零仪光路部分的设计方案。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。