请输入您要查询的英文单词:
单词
research and development
释义
research and development
n.
(in industry etc.) work directed towards the innovation, introduction, and improvement of products and processes
(
产品、工艺等的
)
研究和开发,研发
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pyxidium
pyxis
pzazz
père
Père David's deer
pétanque
pêche Melba
pɑte
pɑté
pɑté de foie gras
Q
Q
Qantas
QARANC
Qatar
Qatari
QB
QC
QCD
QED
Q fever
qibla
Qld.
QM
QMG
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更新时间:2026/5/20 2:50:53