development aid开发援助developmentn.发展；开发；生长；进展；[摄]显影；新开发区development of microspore小孢子发育developmental positioning发展定位developmental homeostasos发育自动调节Developmental dislocation发育性脱位development of big cities大城市发展Developmental disablities发育障碍Developmental psychaology发展心理学developmental dyscalculia发展性计算障碍development of characters性状发育Development Options Paper相纸