于是在复平面上, 鲁棒稳定性问题就转化为伪谱横坐标(伪谱最右端的横坐标值)最小的优化问题.Therefore, on the complex plane, robust stability can be formulated by minimization of pseudospectra abscissa.使用最低限度的协调与横坐标值使他们不跑在一起.Use a minimum of ordinate and abscissa val...
对着这种亮光,是很难看见什么东西似的.It is difficult to see anything against this bright light.它们开始的时候也很难被察觉, 因为它们是肉眼很难看见的.They are also hard to spot initially, as they can't be seen with the naked eye....
The isotopic signatures of most ancient limestones indicated the same process.大多数古代石灰岩的同位素特征说明了同样的过程.There are four principal types of limestones.石灰岩有四种主要类型.Soil: Altitude 260 meters, southeast orientation . Limestone gr...
清除垃圾每吨要花费100美元。Getting rid of rubbish can cost $100 a ton.难道你没看见“禁止随地乱扔”标记 吗 ?乱扔垃圾,罚款500美元.Can't you read the No Littering sign? It's a $ 500 penalty for littering.但哥谭资产中的相当一部分 —— 比如说400亿美元 —— 是按揭证券以及其他垃圾资产.But...
Everything is crowding in on me.所有事一齐涌上我的心头。More and more TV and radio stations are crowding the airwaves.愈来愈多的电视台和广播电台使无线电波段愈来愈拥挤。They're crowding me with their unreasonable demands.他们用无理的要求催逼我....