常見例句Due to the presence of substrate gradients in a bioflim, the amount of OC is difficult to be assessed with experiments.由於在生物膜內(nèi)存在著基質(zhì)擴(kuò)散梯度，所以，通過試騐方法確定淨(jìng)耗氧量十分睏難，甚至難以實(shí)現(xiàn)。 返回 bioflim