所有科技知识-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

present-day mill	present discounted value	present discount value	present distance	presented for payment
present elevation	present fleet of aircraft	present generation	present ground range	present gum in gasoline
present heading	present ice	present incidence	present income	presenting bank
present instruction	present in the upper 15cm of the soil	present meteorological conditions	present net worth(PNW)	present performance rating (P.P.R.)
present position	present-position coordinate	present price	present range	present serviceability index (PSI)
present serviceability rating (PSR)	present serviceability (路况)	present slant range (发射瞬间目标)	present state and perspectives	present state examination (PSE)
present status	present the conclusion and recommendations	present value	present value analysis	present value approach
present value criteria	present value depreciation	present value index	present value method	present value of 1 per period
present value of annuity	present value of income from investment	present value of l yuan	present value of ordinary annuity	present value rate
present value standard	present value table	present worth	present worth analysis	present worth basis for comparison
present worth comparison	present worth comparison method	present worth factor	present worth method	present worth of salvage
present yield	preservation	preservation of cultural relics	preservation of ecology	preservation of fertility
preservation of game	preservation of organs for grafting	preservation of physical evidence	preservation of soil moisture	preservation of the natural environment
preservative	preservative agent	preservative engine oil	preservative film	preservative fluid
preservative liquid	preservative lubricating oil	preservative of silage	preservative oil	preservative process
preservative reflex	preservative substance	preservative-treated timber	preservative treatment	preservative treatment of timber
preserve	preserve area	preserved	preserved bean cake	preserved context index system (PRECIS)
preserved egg	preserved food	preserved latex	preserved plum seedless	preserved plywood
preserved skin	preserved small apple	preserved timber	preserved tsizhen arbutus	preserved vegetable
preserve in salt	preserve moisture and fertility	pre server	preserve salt liquid	preserving melon
preserving timber	preserving value for resources	preset	preset adjustment	preset air meter
preset angle	preset aperture ring	preset apparatus	preset attenuator	preset bearing
preset capacitor	preset code	preset control	preset count	preset counter
preset course	preset (decimal) counter	preset device	preset digit layout	preset distance
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