小麦需要更多的研究。
Mechanism of the nanotubes formation from coal is not yet clear and needs more research.
目前，对于煤制备碳纳米管的机理尚不是很清楚，需要更进一步的研究。
He says more research and attention needs to be paid to the problem.
他说，需要对这个问题进行更多研究，并加以注意。
Experts say more research needs to be done.
专家说还需要做更多的研究。
The group said more research needs to be done to see if therapy actually works.
这个团体说需要更多的研究来确认这一疗法确实有效。
More research needs to be done to confirm a benefit in this area.
需要更多的研究以确认巧克力的有益作用。
More research needs to be done to confirm a benefit in this area.
需要更多的研究以确认巧克力的有益作用。
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