period zero的意思|示意

A low density cement slurry of zero thickening transition period which was appropriate to low temperature and shallow flow cementing operation in deepwater was introduced.

介绍了一种新型的用于海洋深水低温浅层流固井作业用的零稠化转化时间低密度水泥浆体系，该水泥浆体系采用新型高强快速凝固水泥制备。

The U. S. Federal Reserve has left its benchmark rate in a range of zero to 0.25 percent and reiterated its pledge since March 2009 to keep rates very low for an "extended period."

美国联邦储备委员会已经将利率基准范围设在0到0.25%之间，并重申“自2009年3月起将维持非常低利率”期限延长。

Still further, at this predetermined time of the inter-slot period, the ramp output from transceiver 30 May also be controlled to a zero value.

更进一步，在时隙间隔期间的该预定义时刻，可以控制收发信机30的斜坡输出为0。

Under the optimal conditions, the processing of water can not only prolong the efficient exchange period of the resin, but also make the hardness of feeding water almost to zero.

在试验选择的优惠条件下进行水处理不仅能延长树脂的有效交换周期而且交换后的给水硬度可趋于零。

The Chinese-IAS earnings gap heads towards zero across this period and there is a notable reduction in the spread of the gap observations by 2003.

中国-国际利润差距在这段时期向0靠拢并且有一个显著的减少在2003年传播的差距观察。

The transmitted signals which were modulated is a group of orthogonal sine signals as subcarrier and non-regular zero square waves that the code elements period is t as baseband coded formats.

它所发送的信号是由一组正交的正弦信号作为副载波，用码元周期为T的不归零方波作为基带码型调制而成的。