如何

rú hé how; what way; what

彻底

chè dǐ thorough; thoroughly; complete

消除

xiāo chú to eliminate; to remove

搜索

sōu suǒ to search (a place); to search (a database etc)

记录

jì lù to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4]

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