绝热: adiabat; heat insulation; th ...下降: descend; go or come down; dr ...空气: air; atmosphere绝热下降: adiabatic descent下降空气: descending air过热下降: desuperheating绝热饱和(空气): adiabatic saturation空气绝热: air insulation; air isolation空气绝热变化: adiabatic change of air江热下: jangraxar沉降空间: settlement space绝热: [物理学] adiabat; heat insulation; thermal isolation◇绝热材料 heat-insulating material; lagging material; thermal insulating material; 绝热层 thermal insulation blanket; 绝热隔膜 adiabatic diaphragm; 绝热混凝土 [工业] heat-insulating concrete; 绝热膜 adiabatic membrane; 绝热器 thermal insulator; 绝热套 jacket; fagging; 绝热填料 filled insulation; 绝热系数 adiabatic coefficient; coefficient of heat insulation; 绝热线 adiabat; 绝热砖 cellinsulate brick; insulation brick; silocell; 绝热装置 adiabatic apparatus饱和空气绝热直减率: saturated adiabatic lapse rate空气中最高绝热火焰温度: maximum adiabatic flame temperature in air下降: descend; go or come down; drop; fall; decrease (in); decline; fall off; droop; downgrade 逐渐下降 decrease by degrees; 生产[体重] 下降 decrease in production [weight]; 引起下降 bring about its decline; 持续下降 steady decline; 下降到次要位置[地位] be relegated to a secondary position; 出生率下降 a decline in the birth rate; the birthrate is on the decline. 价格下降。 the prices are declining. 飞机正在下降。 the plane was descending. 气温显著下降。 there was a marked drop in temperature. 生产成本逐年下降。 production costs come down every year. 销售量下降了。 sales have dropped off分层待降空域: stacking area推力突降空化: thrust break-down cavitation热痢,协热下利: pyretic dysentery热下中子: cold neutron上热下寒: heat in the upper and cold in the lower; shang re xia han above heat ,below cold; upper heat and lower cold上热下寒证: suprapyretic and infrafrigid syndrome渗湿于热下: cooling by eliminating wetness; dispel heat by excrete dampness; dissipative heat by reducing damp湿热下注: damp invasion of lower energizer; downward drive of damp-heat; downward flow of damp and heat; downward flow of damp-heat; tack the lower warmer湿热下注型: the type of downward flow of damp-heat; type of downward flow of damp-heat协热下利: diarrhea due to interior cold and exterior heat; diarrhea due to internal cold and superficial heat