Plants from the high - lime plots grew better on calcareous soil.高石灰小区的植株在石灰质土上生成较好.Other plankton species in near equal numbers replaced calcareous microplankton as they died out.钙质微体浮游生物消亡时,已经有近乎等量的其它浮游生物种类代替它们了.Throug...
The integrated guidance autopilot model of the yaw plane is formulated firstly.提出了一种反舰导弹针对水面机动目标的航向平面控制导引一体化设计方案.Pitch - yaw coupling can be neglected only for nearly axisymmetric vehicles.只有对接近于轴对称的飞行器,俯仰与偏航的耦合才能略去.This...