前置

Fill in the blanks in the following sentences with appropriate prepositions .

在下列句子的空格中填入适当的前置词。

If receiving a negative acknowledgement or no response, the WTRU retransmits the preamble.

如果接收到否定的确认或者没有响应，该WTRU重发所述前置码。

In addition, 190 cases of rabies have been bitten for rabies vaccines and anti-rabies serum treatment of pregnant women and 185 infants born alive after one year follow-up, and with rabies has not been bitten by a comparison of babies born to pregnant women, found that spontaneous abortion is the former 4.2%, respectively, and the latter 5.6%, 0.5% pre-placental and 1.6%, 1.6% in diabetic pregnant women and 1.3%, stillbirths 1.6% and 1.5%, 0.5% in children with birth defects and 1.0%, low birth weight 2.6% and 9.9%.

另外，对190例被狂犬咬伤进行狂犬疫苗和抗狂犬病血清治疗的孕妇和185名出生后成活的婴儿进行一年随访，并与未被狂犬咬伤的孕妇所生婴儿进行比较，发现自发性流产分别是前者4.2%和后者5.6%、胎盘前置0.5%和1.6%、孕妇糖尿病1.6%和1.3%、死胎1.6%和1.5%、小儿出生缺陷0.5%和1.0%、低出生体重2.6%和9.9%。

The velocity, pressure and streamline distribution of the internal flow field of front guide impeller are analysed.

分析了前置导轮内部流场的压力、速度和流线分布情况。

Not only does this open up Ruin, but...increased crit chance is always good.

极为有用！不仅因为它是毁灭的前置，而且增加重击率总是很好的。

For over 40 years, Dragan has published articles with different original constructions of power amplifiers, low noise preamplifantennas for HF, VHF, UHF and SHF bands.

四十年来，Dragan 出版了多版本的 HF，VHF，和 SHF 频段的功率放大器，低噪音前置放大器的著作。1964 年他获得业余无线电许可证。

For over 40 years, Dragan has published articles with different original constructions of power amplifiers, low noise preamplifiers, antennas for HF, VHF, UHF and SHF bands.

四十年来，Dragan 出版了多版本的 HF，VHF，和 SHF 频段的功率放大器，低噪音前置放大器的著作。1964 年他获得业余无线电许可证。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。