常見例句雙語例句He directed the tiny beam of light at the roof.他把那一小束光對準了屋頂。A directed energy beam would scan the area from above.定向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)幾天的測試中,指示器/跟蹤器成功跟蹤了一個紅外源,并引導(dǎo)激光束擊中目標。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