1) Decreased yield amplitude model
减产幅度模型
2) yield decreasing range
减产幅度
1.
The droughts disaster estimation of dry land crop in natural situation is studied based on relationship of crop yield and evapotranspiration and yield decreasing range as index and corn as example in Jilin province.
以吉林省玉米为例，分析探讨了依据作物产量与蒸散量之间的相互关系，并以减产幅度为指标对自然状态下旱作物受旱灾情进行了估测。
4) declining rate of oil recovery
产油量递减幅度
5) amplitude attenuation
幅度衰减
1.
This article analyzed different reason for the amplitude attenuation of the acoustic emission,and used the AE testing device produced by PAC America to test the acoustic emission attenuation using a pipe with many complex features.
分析了引起声发射信号衰减的各种原因,采用美国PAC公司的声发射仪,对一个复杂特征管道中声发射信号的幅度衰减情况进行了试验测量,得出了不同管道特征对声发射信号幅度的衰减影响的结论,并提出相关的建议。
6) attenuating range
衰减幅度
1.
The attenuating range of CA D of blood supernatant in 10 of 13 cured pigs was higher than 2 at 15 days and all was higher than 2 at 30 days.
用吡喹酮治疗囊虫病猪 15头 ,经剖检证实治愈 13头 ,其中 10头在治疗后 15 d血清中 CA的衰减幅度大于 2 ,治疗 30 d后 13头猪血清 CA的衰减幅度大于 2 (其中 3头猪 CA转阴 ) ,治疗 6 0 d后 CA转阴猪达 10头 ;未治愈的 2头病猪 ,CA一直变化不大。
补充资料：减产
产量减少；减少生产：粮食～ㄧ采取～措施，降低库存。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条