该林地散布着金合欢树，上面稀疏覆盖着赤桉树，有密集的地面层禾本和非禾本草本植物，如袋鼠草和山药雏菊。
This woodland used to have a sparse cover of red gums over scattered wattles, with a dense ground layer of grasses and forbs, such as kangaroo grass and yam Daisy.
这种稀疏和密集的分布错落有序，就如同聪明人设计出来的一样。
Its sparsity and spissitude is in good order, just like the arrangement by the genius.
根据该模型框架，提出了数种快速的光刻模拟算法，包括空间稀疏点和密集点快速成像的算法。
Based on this framework, innovative fast simulation algorithms such as those for sparse point imaging and dense point imaging are developed.
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