滴施不同钾肥对马铃薯植株生物量的积累差异不显著；
Biomasses of potato were not different among three treatments of potassium fertilizers.
如果没有外界提示信号，这种差异就会积累，生物的日常内部调节活动就继续进行，像与太阳日有关的潮汐活动那样。
Without the external cue, the difference accumulates and so the internally regulated activities of the biological day drift continuously, like the tides, in relation to the solar day.
随着网络和人员队伍的扩大，工具在功能和体系结构方面的这些差异将逐步积累起来。
These differences in the functionality and architecture of the tools accumulate as the network and staff scale up.
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