missing issue

用法例句

In order to reveal the stages of gas charging and the main reservoiring stage of the volcanic gas pool in Xujiaweizi fault depression,a case study was performed on the fluid inclusions in 34 samples collected from the volcanic reservoirs of the Upper Jurassic Yingcheng Formatioin in 12 wells.

为揭示徐家围子断陷深层火山岩气藏的充注期次和主成藏期,对采自12口井上侏罗统营城组火山岩储层的34块样品开展了流体包裹体研究。

We ever carried out twice geological investigations on the Gurbantongute Desert in 1993 and 1994,it is found that the large area of longitudinal dune could be divided into three periods,which are Mid -pleistocene,Early- pleistocene and Holocene.

１９９３年、１９９４年，我们二次对古尔班通古特沙漠进行工程地质调查，发现沙漠中大面积出现的沙垄和复合性沙垄根据其形态特征、相互关系和绝对年龄可划分出三个期次，时代分别为中更新世晚期，上更新世及全新世。

Each volcanic cycle features in multi-period and intermittent eruption,and the volcanic rocks of each period are overlaid spatially.

每一喷发旋回都具有多期活动、间歇性喷发的特点,且各期次火山岩在空间上存在复杂的叠置关系。

Considerations and methods of water resources regulation during dry period in water-rich areas;

丰水地区缺水期水资源调度思路与方法