查询词典 uranium

The tendency of uranium content in the main Irtysh River is increasing from upstream to the downstream.

可可托海稀有多金属矿废水中仅由铀和钍产生的α射线比活度之和就已经超过了国家污水综合排放标准（其中铀产生的占99％以上）。

Most branches of Irtysh River have little been impacted by human activities so uranium and thorium levels are much lower than that in the main stream.

额尔齐斯河主河道水中铀明显受人为活动影响，向下游呈增高趋势。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。