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head start project
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head start project
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head start project
开端计划
美国联邦政府通过对处境不利儿童进行教育补偿,以追求教育公平,改善人群代际恶性循环的早期儿童项目。又称先行计划。
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ultrastrong dual
ultrastrong operator topology
ultrastrong topology
ultrastructural pathology
ultrastructure
ultra-supercritical power generation technology
ultra telephoto lens, super telephoto lens
ultra-telescopic meteor
ultratelescopic meteor
ultrathin film
ultra-thin overlay
ultrathin section
ultra trace
ultratrace analysis
ultravacuum
ultraviolation
ultra-violet
ultraviolet
ultraviolet absorber
Ultraviolet absorbing filter
ultraviolet absorption detector
ultraviolet absorption spectrum
ultraviolet and visible spectrophotometer
ultraviolet astronomy
Ultraviolet Astronomy Satellite
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