The concepts of radiant emittance and of irradiance are complementary.辐射的发射强度和辐照度是两个互补的概念.Emittance and irradiance are meaningful measurements of flux at a specific surface.发射强度和辐照强度只有对一定表面上通量的量度才是有意义的.A high quality bea...
The concepts of radiant emittance and of irradiance are complementary.辐射的发射强度和辐照度是两个互补的概念.Emittance and irradiance are meaningful measurements of flux at a specific surface.发射强度和辐照强度只有对一定表面上通量的量度才是有意义的.A high quality bea...
John McEnroe beat Jimmy Connors with the most complete display of artistry the game had ever seen...约翰·麦肯罗将球技发挥得淋漓尽致，从而击败了吉米·康纳斯，这在比赛中前所未见。Tea processing requires both technique and artistry.茶叶加工对工艺和手法都有要求。a confluence o...
He got married after a whirlwind romance.在一场旋风式的恋爱后他很快就结婚了。After a whirlwind courtship, they married and went to live in Bath.经过一场旋风式恋爱, 他们结了婚,到巴斯生活去了.The school was seriously damaged by a whirlwind.学校因旋风袭击而遭到严重破坏....