coming attack-direction  来袭方向

Main Attack Direction  主攻方向

multi-direction attack  多方向攻击

chloride attack and sulfate attack  盐害

axis direction and radius direction  轴向和径向

direction finding direction of arrival estimation  测向

Direction Of Arrival-Direction Of Departure (DOA-DOD)  收发角度

a chemical-weapons attack  化武袭击

a heart attack  心脏病发作

ability of attack basic skill  人工授精(AI); 大鸟(黑鹳)

absolute angle of attack  绝对攻角; 穿音速面积法则

acid attack  酸性侵蚀; 酸蚀; 酸性腐蚀

acid rain attack  酸雨腐蚀; 厚荣

acidic attack  酸腐蚀

active attack  主动攻击; 主动性攻击

active attack mine  主动攻击水雷; 中国先进研究堆; 中国先进研究堆(CARR)

acute asthma attack  急性发作期

acute asthmatic attack  喘息急性发作; 释迦牟尼像

acute asthmatic attack in children  马脾风