查询词典 relative altitude

It may be used to measure the air tempe-rature、 pressure altitude、relative humidity and airspeed.

在人工降水、云物理研究和大气探测中可作为一种基本测量手段。

The pilot sees the position of the enemy aircraft and its range, his own position relative to it, and his altitude in relation to the horizon and a pre-set heading, the whole being encompassed by the gunsight circle.

飞行员可以看到敌机的位置和它的距离，还有他自己的与敌机的相对位置，相对于地平线的海拔高度和一个和航向指示，所有这些都包围在瞄准环中。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。