在使用着

The advent of the Siamese first issue in 1883 witnessed the gradual reclaiming of HER Sovereign postal system and by 1886 foreign postage stamp usages virtually disappeared after she joined the UPU.

1883年暹罗发行第一套邮票，标志着其邮政体制独立，外国邮票在暹罗的使用也随着其于1886年加入万国邮政联盟而成为明日黄花。

The rest of us watched with respectful attention, albeit through steamed-up spectacles in some scenes, as Tony Leung's wartime collaborator with the Japanese made love – over and over, in every position – with Tang Wei's Mandarin Mata Hari.

我们其他人带着恭敬的关注观看了影片，虽然在某些场景里，透过水汽蒙蒙的镜头，梁朝伟饰演的日本汉奸与汤唯饰演的中国版魔女玛塔做爱——反反复复、使用各种体位。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。