如何在不增加动物数量、不影响脆弱的土地和我们的资源基础的情况下确保食物供应,这是一项挑战。
The challenge is how to ensure food without increasing animal numbers and having an impact on fragile lands and our resource bases.
在此基础上进一步结合实验模型,这个数字模型被用于分析正弦地形上的近岸流在波浪作用下的分布情况。
Combined with the lab experiment, the numerical model is applied to wave-induced nearshore currents on a fixed tri-cuspate beach.
这种情况下这些基础可能就不够了。
Literary theory, as I say, is skeptical about the foundations of its subject matter and also, in many cases, about the foundations of what it itself is doing.
就像我说的,文学理论,是对创作题材的怀疑,在很多情况下,也是对自身所做之事的基础的怀疑。
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