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- 正時(shí)Lorentz變換群positive-time Lorentz group
- 正在in the process of (doing something or happening)
- 時(shí)hour
- Lorentz變換Lorentz transformation
- 關(guān)于變換群的可遷性On Transferable Properties of Transformation Group
- 正Chinese 1st month of year
- Clifford代數與Lorentz變換Clifford Algebra and Lorentz Transformation
- 常微分方程變換群理論transformation group theory in ordinary differential equation
- 正時(shí)right time
- Lorentz變換鏈（LTL）原理的證明PROOF OF THE LORENTZ TRANSFORMATION LINK(LTL)THEOREM
- 關(guān)于變換群的探究教學(xué)案例A Case of Explorative Finance Teaching on Transformation Group
- 新聞提要每到半小時(shí)正時(shí)作一次廣播。The news headlines are broadcast on the half hour.
- 關(guān)于Maxwell方程在Lorentz變換下的不變性原理ON THE INVARIABILITY PRINCIPLE OF THE MAXWELL-EQUATIONS UNDER THE LORENTZ-TRANSFORMATION
- 正時(shí)皮帶timing belt
- 群 G的一個(gè) Cayley圖 X =Cay( G,S)稱(chēng)為正規的 ,如果右乘變換群 R( G)在 Aut( X )中正規 .A Cayley graph X=Cay(G,S) of group G is said to be normal if R(G),the group of right multiplications,is normal in Aut(X).
- 安裝正時(shí)鏈、曲軸鏈輪和凸輪軸鏈輪，使正時(shí)標記對齊。Install the timing chain, crankshaft sprocket and camshaft sprocket with the timing marks aligne
- 正時(shí)錘timing chain
- 正時(shí)環(huán)timing ring
- 正時(shí)鏈timing chain
- 正時(shí)圖timing diagram
