词汇	directional crawler
释义	directional crawler 定向爬虫
随便看	effective printing rate effective printing speed Effective Privilege Level effective,probably effective procedure Effective product cost effective production effective production efficiency effective profile drag effective program projections effective projected radiant surface effective project management effective propaganda effective propagation velocity effective propeller thrust effective properties effective property effective prophylactic inoculation effective propulsive phase effective protection effective protection rate effective protein effective protein fraction Effective provision effective publication