他认为即将进行的实地试验将是一个转折点，他希望有好消息。
He reckons that the forthcoming field tests will be the turning point — and he's hoping for good news.
英格汉姆说，环保署官员曾告诉她，这种微生物已获准进行实地试验，但她说，她没有掌握多少细节。
Ingham says EPA officials had told her that the organism was approved for field tests, but says she has few details.
虽然后来的实验证实，这种方法增加了浮游植物的生长，但实地试验表明，这种生长不会显著降低大气中的二氧化碳。
While experiments subsequently confirmed that such a procedure increases phytoplankton growth, field tests have shown that such growth does not significantly lower atmospheric carbon dioxide.
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