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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。

rational mechanization rational medicine rational number rational number field rational operation
rational point rational polynomial rational prime number rational proper fraction rational rank
rational real number rational representation rational rolling schedule rational root rational series
rational space rational spacing between wells rational subgroup rational surface rational synthesis
rational system of units rational therapeutics rational tillage rational transformation rational transformation group
rational treatment rational units rational untilization of warehouse rational(-)valued nests rational vane hydraulic motor
rational variety rational zero points ration book ration cycle rationed credit
rationed export rationed grazing rationed shares ration export ration formulation
rationing rationing equipment rationing exchange rationing of exchange rationing procedures
ration ingredient ration of goods rations and quarters ration(s) bread ration system
ration (食品供应品等) ratio of absorption ratio of a parallel projection ratio of asset value to sales ratio of attenuation
ratio of average gross profit ratio of brazing area ratio of capital to current liabilities ratio of capital to fixed liabilities ratio of capital to liabilities
ratio of carrier-to-interfering signal ratio of cash to current liabilities ratio of cash to income ratio of cations ratio of clearance volume
ratio of climbing ratio of closing error ratio of combustion ratio of commodities' supply and demand ratio of concentration
ratio of constituents ratio of crushing ratio of current assets to fixed assets ratio of current assets to total assets ratio of curvature
ratio of cut to fill ratio of damping ratio of debt to net worth ratio of dependence on foreign trade ratio of diameters of flange
ratio of discounted net benefit to cost ratio of division ratio of drawing ratio of elongation ratio of equality
ratio of exchange ratio of expansion ratio of expenses to sales ratio of exploitation and reserve ratio of external standard
ratio of first-grade products ratio of floating particles ratio of flow to mean flow ratio of Food to Microorganism ratio of forging reduction
ratio of gain ratio of gate-to-pin ratio of gear ratio of generating functions ratio of gold and silver
ratio of greater inequality ratio of grinding media to material ratio of gross profit to net sales ratio of gross to tare weight ratio of gun currents
ratio of heat capacities ratio of heat transfer to skin friction ratio of imports to gross domestic product ratio of induced abortion ratio of inertia
ratio of installed equipment available ratio of interest expense to sales ratio of internal reserves to net profits ratio of investment to output ratio of lay
ratio of lear to bone ratio of lens aperture ratio of less inequality ratio of living area (space) ratio of living area (或space)
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