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- He proved there is a natural isomorphism:where k is a perfect field of characteristic p, W(k) is the Witt ring of k, K is the fractional field of W(k), K|- is a fixed algebraic closure of K, K~(cyc) is the exension of K by joining all roots of unity. 是K的一個固定的代數閉包，K~(cyc)是K添加所有的單位根。 在我們的研究中，特徵0的問題與特徵p的問題經常是相互轉化的，如在第一部分，我們必須將特徵p的域提升至特徵0；
- A turbulence closure model and its boundary condition should be ch osen according to the researching problems and the model should be calibrated by observation and experiments. 對於湍流模型的使用提出針對具體問題選擇的原則，複雜的並非最優的。
- conditional moment closure model 條件矩封閉模型
- The DNS statistical data are used to validate the closure models in the correlation-moment equation of Reynolds-averaged Navier-Stokes (RANS) modeling. 對標量關聯量方程RANS模擬各項的封閉模型進行了后驗性檢驗。
- Crack closure model in residual stress field of welding 焊接殘餘應力場中裂紋閉合模型
- The railway is under threat of closure. 那條鐵路有停止運營的跡象。
- The boy can't figure out the algebra problems. 這個男孩做不出這道代數題。
- We've learned algebra in middle school. 我在中學就學過代數學。
- The closure of the large factory made many workers live in idleness. 那家大工廠倒閉，使許多工人失業。
- She was studying to build up her algebra. 她在學習以提高自己的代數水平。
- Standing by him was a model worker. 站在他旁的是一位勞動模範。
- Are you stuck over your algebra? 你的代數題做不下去了吧？
- I think I can get that special model for you. 我想我可以為你找到那種特別的型號。
- He finally got the answer to the algebra problem. 他終於算出了這道代數題的答案。
- She has been held up as a model worker. 她被推舉為模範工作者。
- He showed us a model of the new office building. 他給我們看了新辦公樓的模型。
- He taught Tom how to make a model airplane. 他教湯姆作模型飛機的方法。
- John is repairing his model plane at his leisure. 約翰不慌不忙地修理著他的航模。
- The old sailor chipped out a tiny model boat. 那名老水手一點兒一點兒地削出一個小船模型。
- algebraic closure 代數閉包
