The decision whether or not to salvage the wreck was not an easy one, although an excavation in 1978 had shownthatit might be possible to raise the hull.
决定是否打捞沉船并不是一件容易的事,尽管在1978年的一次挖掘表明,打捞船体是有可能的。
2
Recently it was shownthat they could be trained to be as accurate as humans at detecting breast cancer in images.
最近有研究表明,在检测图像中的乳腺癌方面,它们可以被训练成与人类一样准确。
3
It is believed that a model plane of Bob's will beshown at the science fair next month.