A、Both are prepared using high temperature pyrolysis
B、Both are pyrolyzed above 2000 Both are pyrolyzed above 2000ºC
C、Both are based on polyacrylonitrile precursor fibers.
D、Both are mainly composited of carbon.
A、Both are prepared using high temperature pyrolysis
B、Both are pyrolyzed above 2000 Both are pyrolyzed above 2000ºC
C、Both are based on polyacrylonitrile precursor fibers.
D、Both are mainly composited of carbon.
A、Listing and brainstorming.
B、Venn diagram and table.
C、Exemplification and listing.
D、Venn diagram and brainstorming.
A、机翼升力线斜率增加 Wing lift-curve slope increases.
B、平尾升力线斜率增加 Tail lift-curve slope increases.
C、中性点前移 Neutral point moves forward.
D、下洗角增加 Downwash angle increases.
E、飞机重心前限后移 Most forward CG location moves aftward.
此题为判断题(对,错)。
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