sparce

A hybrid shock formed by linking up different types of shocks may exist in the interplanetary sparce, and the linkage and the evolution of its components observe the chain rule of "slow shock-switch-off shock-intermediate shock-switch-on shock-fast shock".

在行星际空间可能存在由各类激波连接而成的混合激波，其组成部分的连接方式和时间演化遵循慢激波导灭激波中间激波导生激波快激波链式规则。

The model involves the bistate dynamic programming ( BSDP) and mixed regressive sparce coefficient model, can fully reflect the optimal operation law of reservoir system and significantly saves estimation time and internal storage.

该模型包括双状态动态规划（BSDP）和混合回归的疏系数模型。该调度模型充分反映了水库群最优运行的规律，且大大节省了计算时间和内存量。

The Taklamakan Desert is a deserted place with a sparce population.

塔克拉马干大沙漠是个人烟希少的地方.