氡很容易从地下释放到空气中并通过称为氡子核的短命衰变产物分解。
Radon escapes easily from the ground into the air, where it disintegrates through short-lived decay products called radon progeny.
对于现今个人计算机中的多核芯片（也许四核或六核甚至八核）来说，分解计算任务并不是个大问题。
With the multicore chips in today’s personal computers, which might have four or six or even eight cores, splitting computational tasks hasn’t proved a huge problem.
退火、节分解、核、长和颗粒粗化的基本原理。
Fundamentals of annealing, spinodal decomposition, nucleation, growth, and particle coarsening.
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