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更多“设点列的底是l，P、P′；Q、Q′是l上的射影变换的两对对应…”相关的问题
A.蹇驴(jiǎn) 踑踞(qí)
B.维善维否(pǐ) 馮虚御风(fénɡ)
C.酾(lì)酒 耗皲(dù)
D.肥遯(dùn) 补苴(jū)罅漏
如图所示，已知由P点发出一条Q光线，A面为抛物反射面，近轴区域曲率半径r=40mm，d=-l=20mm。试求反射光线Q1的方向余弦。
如图所示，已知由P点发出一条Q光线，A面为抛物面，近轴区域曲率半径r=40mm，d=-l=20mm。n=1，n'=1.5。试求：
Choose the BEST TERM to match the definition and translate the selected term into Clunese.
A) Ablation L) Nanocomposites
B) Adhesion M) Nettingindex
C) Cohesion N) Plasticizers
D) Degree ofcrystallinity O) Polymer
E) Dielectric constant P) Polymerization
F) Dielectric strength Q) Sealants
G) Fiberloading R) Semi-crystalline
H) Flameretardants S) Specific strength
I) Glass-transitiontemperature T) Viscoelasticity
J) Hysteresis U) Vulcanization
K) Monomers V) Whisker
Can you identify the immediate etymological source of the following words？ (For example，the immediate source of“meaning”is French，although the more remote source is Latin)能否确定下列词语的直接语源？(如：“meaning”的直接语源是法语，尽管它更远的来源是拉丁语) (a)air (b)barbecue (c)bungalow (d)Cola (e)gusto (f)babel (g)buffalo (h)cocoa (i)costume (j)ill (k)mule (l)decreed (m)revolution (n)benevolent (o)lie (p)topic (q)subject (r)theme (s)wind (t)datum
