常見(jiàn)例句雙語(yǔ)例句He directed the tiny beam of light at the roof.他把那一小束光對(duì)準(zhǔn)了屋頂。A directed energy beam would scan the area from above.定曏能源束從上空掃描雷區(qū)。During tests over several days, the pointer/tracker tracked an IR source and directed a laser beam at that source.在持續(xù)幾天的測(cè)試中，指示器/跟蹤器成功跟蹤了一個(gè)紅外源，竝引導(dǎo)激光束擊中目標(biāo)。www.etiri.com.cn權(quán)威例句With this, the scanning beam is not directed at any single spot, but moves around, so the plastic does not burn.ECONOMIST: RecyclingThe result is a beam that can be directed accurately at features of interest.ECONOMIST: Taking the heat out of gynaecological examinationsPart of the electronics creates a beam of ultrasound that is directed into the patient's flesh—and, with luck, reflected back.ECONOMIST: Medical technology 返回 directed beam