sign of ratio

The aerodynamic/ stealthy integrated design is aim to obtain the maximum lift to drag ratio under constraints of stealthy performance through the adjustment of local shape de-sign variables. The task of the structure optimization is to minimize the structural weight by adjusting the size of structural components.

气动/隐身一体化设计的任务是对局部外形设计变量进行优化，在满足隐身性能前提下，使升阻比最大；结构优化的任务是对结构尺寸进行优化，使结构重量最轻。

This is the prime ratio of the nascent increments. the most conspicuous early sign of attack

这是最初增量的最初比。受害初期最明显的迹象

A Dow Jones industrial average/ gold ratio of 2:1 would be a good sign the bull market in gold is getting well advanced.

如果道琼斯工业平均指数（dow jones industrial average）与黄金的比率保持在2：1的水平，那将是表明黄金牛市运行良好的一个良好迹象。