He says that time spent by divers in the water is critical in terms of research costs and the threat of nitrogen narcosis. 他说，就研究费用和氮麻醉的威胁来说，潜水员在水中的时间是至关重要的。
The strategy of those funding research to accept publishing costs as a fixed item of research expenditure mitigates this problem. 研究资助者提出的策略，是把出版费用视为研究费用的固定项目，有效地纾解此问题。
