Every vector can be resolved into covariant or into contravariant components.每个矢量都可以分解成协变分量或逆变分量.The covariant equation of plane motion body in curved space - time is studied.研究弯曲 时空 中平面运动刚体的动力学协变方程.This decomposition ma...
旅店能够在短短的 三十六分 针内全部撤空 吗 ?Could the hotel be effectively cleared in an all - too - inadequate thirty - six minutes ?由于洪水这个村子已经撤空.The village was evacuated because of flood.火山爆发处附近已迅速撤空.The region near the erupting volcano ...
他边听边点头，还吸着一支粗短的烟斗。He nodded and puffed on a stubby pipe as he listened.它粗短的尾巴上鬃毛浓密。It has a short stumpy tail covered with bristles.他伸出一根粗短的手指指向他对面的一把木椅。He pointed a stubby finger at a wooden chair opposite him....
I was just a hick from Texas then.那时我不过是从得克萨斯来的土包子。He is an obnoxious hick.他是个讨厌的乡巴佬。" Listen, kid, I was worried when I couldn't get ahold of you in that hick town.“ 你听着, 小鬼,当我派的人到你那个乡下小镇去找不到你的时候, 我还很担心哪.John Hick:...
Then why do my ears ring with the lowing of oxen and the bleating of sheep?那为何牛羊的哀号声在我耳朵里萦绕不绝?Fraunhofer technicians can reduce air pressure inside, making ears pop , to mimic cruising at 35,000 feet.弗劳恩霍夫的技师们可以将机舱内的气压降低...