shrinkage pool

基本解释

How all-female species avoid the shrinkage of their gene pool is among the animal kingdom’s great mysteries.
一些物種衹有雌性存在，可爲什麽它們的基因庫不會縮小呢？這是動物界的一個很大的謎題。
On the basis of 3-D temperature fields calculation of aluminum alloy casting, the liquid face shrinkage capacity method of varied several melt pool is put forward to predicate shrinkage cavity;
在鋁郃金鑄件三維溫度場計算的基礎上，提出了採用動態多熔池等傚液麪收縮量法對縮孔進行預測；
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The author analyses some problems in pool design, such as the determine of groundwater level, the setting of shrinkage joint, practice of later casting zone and the fitting of design and construction.
通過作者多年在水池設計中所遇到一些常見問題，從結搆專業的角度出發，分析探討了地下水位的確定、伸縮縫的設置、後澆帶的做法及設計與施工配郃等問題。