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PPB
释义
PPB
abbr.
planning-programming-budgeting (system) 计划—设计(程序)—预算制(或法)(一种商业、政府、研究机构的计划方法) [亦作 PPBS]
ppb, ppb.
abbr.
parts per billion [美国英语]十亿分率,十亿分之…
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soft rot
soft rots
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soft sawder
soft-sawder
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soft scales
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soft sculpture
soft-sculpture
soft-sculptured
soft sector
soft sell
soft-sell
soft-seller
soft-selling
softselling
soft-shell
softshell clam
soft-shell crab
soft-shell crabs
soft-shelled
soft-shelled turtle
soft-shelled turtles
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更新时间:2026/6/20 9:10:20