Parts of the town had been sectioned off.
城市的部分地区被划了出去。
The teacher sectioned the class for dialogues.
班级给新老师制造麻烦。
The teacher sectioned the history class by ability ratings.
老师按能力将历史课分班。
This model - an exact copy of the worn area - was sectioned and photographed.
这个模型——磨损部位的精确复制——被切割并且拍照。
Cuttings are cast into blocks in plastic and thin-sectioned in the usual way.
(岩)屑用塑料铸成块并用通常的方法制成薄片。
The single crystal is sectioned and then sliced and subsliced with a diamond .
用金刚石锯先将单晶体切成段，再切成片。
The single crystal is sectioned and then sliced and subsliced with a diamond .
用金刚石锯先将单晶体切成段，再切成片。
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