而实质性肿瘤相对较少，恶性者更为罕见。
However, neoplasm was relatively less and malignant mass was rare.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见。
The remains of plants and animals that lived on land are much more rarely preserved.
此外，肺癌骨转移在CT表现为粗糙的骨小梁者更为罕见。
In addition, bone metastasis from lung cancer showing a coarse trabecular pattern of the vertebra on computed tomography (CT) is quite unusual.
应用推荐