It is shown that when the radius of the electron is greater than a critical length, the behavior of the solution is fine, no run-away and pre-acceleration appears.

结果表明当电子半径大于一个临界长度时，方程的解表现出良好的性质，不会出现奔离和预加速的现象。

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Announced last month, the new Drobo 5D and Drobo Mini with Thunderbolt, USB 3.0, and SSD acceleration are now available for pre-orders from select partners and our very own online DroboStore.

ENGADGET: Thunderbolt-equipped Drobo 5D and Drobo Mini storage devices now up for pre-order