就像游戏引擎一样，先构建一个虚拟世界，然后在这个世界中“运行”一个事件，并用虚拟摄像机“拍摄”下来。在这个范式下，所有的物理交互、光影变化、角色行为都将是自洽且符合逻辑的。
Because of this, Stocker says he doesn't envisage the total demise of the industry. But right now, he adds, "we're surviving by people's interest and by market demand almost in spite of the work that the policy makers and others are doing on agricultural and land management policy".
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On the face of it the challenge England face is daunting. Though they won all three games in the Super 8 stage to ease into the semi-finals those matches were played in Sri Lanka, where they now have a 100% record in six outings this year. They have since returned to Mumbai, where they were so nearly beaten by Nepal in their tournament opener and then actually beaten by West Indies, and where they can expect nothing but hostility from a sold-out crowd of 33,000.
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