Rational design of a regulatory protein decouples the ability to tolerate cold from the means to acquire phosphorus, effectively enhancing crop yield under cold stress.
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Whereas the Flip is huge, the second-gen Polaroid Go is tiny. It weighs just over a pound and fits easily in the palm of my hand — which is saying a lot, given I’m petite and a little over five feet tall — making it the most portable instant camera on our list. If its images were more true to life and didn’t require you to sheild them from the light for about 15 minutes while developing, I’d call it the best instant camera for kids or travel.，这一点在PDF资料中也有详细论述