化学空间（chemical space）是通过对每一个分子计算一系列的分子描述符。
合肥盆地地球化学空间场属低背景、低湿度和非均匀场范畴。
The geochemical field of the Hefei Basin belongs to that of low background values, low moisture and inhomogeneity.
在有机系统环境中的情况则更为复杂，因为生物和非生物的成岩反应使化学空间增大，就会产生更多类型的化学物。
In environmental organic systems this becomes even more complex as biotic and abiotic diagenetic reaction increase the chemical space and thus chemical diversity.
维纳先生在空间上公布自己的照片之前，科学家就已经在研究学者的脑部结构和化学组织。
Scholars were studied brain architecture and chemistry long before Mr.Weiner pinged photos of his unmentionables into cyberspace.
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