Experts from the Forestry Commission are carrying out inspections across Britain and will order a cull wherever the disease is found.
来自林业协会的专家正在英国范围内展开调查，一旦发现病树，立即砍掉。
Cull out, that is, remove back faces; assume counterclockwise winding order for primitives.
剔除模式，剔除背面；假设图元顶点按逆时针顺序旋转排列。
In May 2009, Heihe in northeast China's Heilongjiang Province issued a dog cull order with the aim of making the city "dog-free."
2009年5月，东北黑龙江省的黑河市实施了疯狂的犬只捕杀，以达到全城无狗的目标。
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