技术

jì shù technology; technique; skill; CL:門|门[men2],種|种[zhong3],項|项[xiang4]

改善

gǎi shàn to make better; to improve; CL:個|个[ge4]

报告

bào gào to inform; to report; to make known; report; speech; talk; lecture; CL:篇[pian1],份[fen4],個|个[ge4],通[tong4]

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