descent of water 中文意思是什麼
descent of water
解釋
水滲透-
The drills included rescue rubber dinghies moving in formation, a vertical landing by a rescue helicopter, evacuation of victims by amphibious vehicles, saving people in rapid water through the use of rubber dinghies, vertical evacuation of victims, use of a rope - gun, setting up a rope - bridge over a valley or stream, vertical descent from great heights, and a display of advanced earthquake rescue equipment
演習的項目包括救生橡皮艇水上分列式直升機垂降救援水陸兩用車撤離災民橡皮艇急流水中救援垂直地形傷患拖吊拋繩槍救援溪谷單索吊橋架設高空垂降，及多項先進的地震救援裝配靜態展示。 -
In this paper, a calculate theory and method is presented, a under - water permanent magnet dc motor is taken for instance, the descent of its efficiency from 20 to 80 is calculated
介紹了一種溫升對電機效率影響的計算思路與方法，並以一臺水下使用的永磁直流電機為例，計算在20 ~ 80范圍內效率的下降情況。 -
From finding food for survival to lighting a fire with knife and axe ; from wilderness first aid to the use of knotted ropes ; from jumaring climbing with ascending devices and ropes to a 100 - meter vertical descent ; from upstream hiking to a vertical drop into water, the 2002 taishan experience camp fully satisfied youthful quan yin practitioners longing for adventure, love of trying new things and desire for physical challenge. during the camp, participants also learned the basics of rescue aid, self - help and wilderness survival
從覓食求生到刀斧生火，從野外急救到結繩運用，從普魯士攀登到百米垂降，從團隊溯溪到垂降落水，今年專為觀音家族青少年學子設計的oeo泰山體驗營，不僅充分滿足了孩子們熱愛冒險喜歡嘗試及挑戰體能的各種需求，在活動的過程中，更讓每一位參加的學員學習到救援的基本概念和自救野外生活等實用的技能。 -
Meanwhile the ecological problems caused by lack of water are becoming very serious, such as the intermittent of river, the descent of underground water, the degeneration of vegetation, the expansion of desert, the oasis around downstream of black river and stone sleep river which have been the main seminary of dust storm in north china
水資源短缺將嚴重影響到區內經濟發展和人民生活水平的提高，同時因缺水導致的河道斷流、地下水位下降、植被退化、沙丘活化、荒漠化等生態環境問題不斷加劇，特別是黑河、石羊河流域下游綠洲退化嚴重，已成為中國北方沙塵暴的主要發源地。 -
The main results are as follows : ( 1 ) the evolutionary features of precipitable water in the whole troposphere in northwest china are different between over the east region and over the west region during the past 50 years from 1951 - 2000 : in the 1990s " the pv in the east of ncw is evidently decreased, and the scope of the descent is the largest one in the same latitude over the north - hemisphere, on the contrary, which in the west regions showed increasing trend
最後，分析了近50年來西北地區東部垂直運動強度的年代際變化特徵。主要得出了如下結論： （ 1 ）西北地區東、西部對流層整層大氣可降水量在1951 - 2000年近50年來表現出不同的變化趨勢： 90年代以來，東部明顯減少，而西部有所增加，且東部減少的幅度在北半球同緯度地區最大。
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