1818年菲涅耳参加了法国科学院主办的一次竞赛.In 1818 Fresnel entered a competition sponsored by French Academy.菲涅耳通过加进来干涉概念,解决了这个困难.The difficulty was resolved by Fresnel with his addition of the concept of interference.在许多情况下, 对于我们的目的来说,更简单...
He was long-limbed and dark-eyed, with a mop of tight, dark curls.他四肢修长、眼睛乌黑发亮，留着一头蓬乱浓密的黑色卷发。He was long-limbed and dark-eyed.他四肢修长，眼睛浅黑。Gudrun was very beautiful, passive, soft - skinned, soft - limbed.吉娟长得非常标致,温柔可爱, 皮肤...
Reports from Chad suggest that rebel forces are advancing on the capital.来自乍得的报告显示叛军正向首都推进。There is, of course, no sign of the romance between Chad and Mamie.查德和玛米之间当然不存在有情有意的迹象.Chad : Do you know something about this, s...
他们要求发展扩张性的经济以应对升高的失业率。They demanded a more expansionary economy to combat rising unemployment.对抗不断升高的通货膨胀the fight against rising inflation这类头痛多是血压升高的征兆。These headaches were most suggestive of raised blood pressure....