In fruit mature period, muskmelon had higher biomass in organic production system, but there was no significant difference on market yield in both systems.
果实成熟期，甜瓜在有机生产体系中生物量较高，但两种体系的市场产量差异不显著。
2
That means a higher proportion of what is in the sea is being caught, so the real difference between present and past is likely to be worse than the one recorded by changes in catch sizes.
这意味着更多的海洋生物正在被捕捞，所以现在和过去之间的真正差异可能比捕捞量变化所记录的更糟糕。
3
What difference can higher quality software make to a company in the marketplace?