D是干燥的意思。
Besides. the dry weight of mature seeds Q is also controlled by the duration of development measured in number of days, d, of the corn seeds.
在成熟期，籽粒干重不仅与籽粒发育期间的平均气温有关，还与籽粒发育所经历的天数有关。
Wipe away all loose dirt and moisture from the pipe O. D. and fitting I. D. with a clean, dry cotton rag. DO NOT ATTEMPT TO JOIN WET SURFACES.
用清洁干燥的面质布擦去管道外径和管件内径上所有松垮的污垢和湿气。不要试图连接潮湿的表面。
D is for dry. In other words, stay as dry as possible.
代表干燥，也就是说尽可能保持干燥。
Ultrasonic extraction was used to extract the gypenosides from fresh leaves sample(F), fixed sample(X), baked sample(B), air-dried sample(A) and dry tea sample(D) of Gynostemma pentaphyllum.
用超声法提取绞股蓝鲜叶样、杀青样、烘干样、风干样以及绞股蓝袋泡茶干茶样的总皂甙， 并测定其含量。
The result showed th at fuzzy self-adapting PID control could improve the performance of wood dry control system, and its control effect was obviously superior to that of routine PI D control.
研究结果表明，模糊自适应PID控制可提高木材干燥控制系统性能，其控制效果明显优于常规PID控制。
Sure, the drug industry is in the midst of an R&D slump. But that doesn't mean the tap has gone completely dry.
不错，制药工业确实正处于研究和开发的低谷。但也不是完全没有研制出新药。
Hydrocarbon solvents such as Chevron-Phillips' EcoSolv or Exxon D-2000 work much like standard dry cleaning agents, but without the harmful side effects.
烃类溶剂，例如雪佛龙-菲利普斯' ecosolv或埃克森美孚的D - 2000年的工作很像标准的干洗代理商，但没有有害的副作用。
Hydrocarbon solvents such as Chevron-Phillips' EcoSolv or Exxon D-2000 work much like standard dry cleaning agents, but without the harmful side effects.
烃类溶剂，例如雪佛龙-菲利普斯' ecosolv或埃克森美孚的D - 2000年的工作很像标准的干洗代理商，但没有有害的副作用。
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