Breast self-examination is invaluable for detecting cancer in its very early stages.

乳房自检对早期癌症的发现很有价值。

Pap smears work by detecting abnormal cells that are cancer precursors and that can be destroyed using techniques like lasers.

巴氏涂片可以检测异常细胞，这些细胞是癌症的前兆，可以使用激光等技术来摧毁它们。

Visitors can expect to be searched with a metal-detecting wand.

游客们可能会被用金属探测棒搜身。

Detecting anthemintic resistance of Haemonchus contortus in goats.

检测山羊对捻转血矛线虫的驱虫抗药性。

CT scans were mostly useful for detecting leakage of injectate, which may be the early phase of dislodgment.

CT 扫描对于检测注射液的泄漏最为有用，这可能是驱出的早期阶段。