长期: over a long period of time; ...产: give birth to; be delivered ...沙: sand量: measure capacity产沙量: sediment yield; sedimentyield流域产沙量: watershed sediment yield年产沙量: annual sediment yield年平均产沙量: annual average sediment yield; average annual sediment yield长期产品脱销: chronic shortage of some products长期产业供给曲线: long run industry supply curve过期产, 逾期产: post-term birth产沙率: rate of sediment production; rate of sediment yield产沙区: sediment contributing area产沙源: sediment contributor过期产: delayed birth; parturition serotinus; partus serotinus; post term birth; postterm birth; postmature birth; postponed labor; postterm delivery; retarded birth早期产: early postpartum hemorrhage含沙量: grittiness; sand content; sand load; sediment charge; sediment concentration; sediment content; sediment discharge concentration; sediment spatial concentration; silt carrying capacity; silt charge; silt concentration; turbidity; turbidness来沙量: incoming sediment泥沙量: quantity of sediment; sediment yield输沙量: amount of sediment transport; bed load calibre; discharge of landslide; sediment load; sediment runoff; sediment transport rate; sediment yield; sediment-transport rate; sedimentload; silt discharge rating; silt-carrying capacity; su ended sediment discharge; su endedsedimentdischarge; suspended sediment discharge; suspendedsedimentdischarge产沙总量: total sediment yield长期: over a long period of time; long-term; long range; secular 作长期打算 take a long view; make long-term plans; 长期观点 a long-term view; 长期存在的问题 a long-standing problem; 这个实验结果长期不显著。 the result of this experiment was not noticeable for a long period.; 长期保险 long term insurance; 长期产品脱销 chronic shortage of some products; 长期储藏 standing storage; 长期储蓄 permanent saving; 长期存款 long-term deposits; 长期贷款 long-term loan; 长期订单 standing order; 长期负债(借款) funded debt;funded liabilities; 长期国策 long-term national policy; 长期居留证 long-term residence permit; 长期徘徊不前 protracted stagnation; 长期失业 chronic unemployment; 长期投资 permanent investment; 长期债券 long-term bonds; 长期债券利率 long rate; 长期债权 long-term claims; 长期债务 funded debt; 长期债务还本付息 payment on long-term debt; 长期资产 long-term assets; funded property;long-lived assets; 长期准许证 standing permit初期产量;自喷期产量: flush production本期产量: output of current period初期产量: flush production; initial output; initial potential; initial production; preliminary production