constant-velocity prestack migration 常速叠前偏移
migration constant 迁移常数 ; 徙动常数 ; 移动常数
migration rate constant 迁移速率常数
constant migration
不断迁移
以上为机器翻译结果，长、整句建议使用 人工翻译 。
My literature review suggests that most economic researchers find that, when other factors are held constant, higher taxes do indeed reduce the level of economic activity and hence migration (See What Is the Evidence on Taxes and Growth?).
FORBES: Sorry New York Times, Tax Flight of the Rich Is Not a Myth
Net migration, which tracks shifts in the population after cancelling out offsetting moves, has remained relatively constant (see chart).
ECONOMIST: Free exchange
应用推荐
模块上移
模块下移
不移动