初步估计

初的英语翻译：

at the beginning of; early; elementary; first; original
【医】 arch-; arche-; prot-; proto-

步的英语翻译：

pace; step

估计的英语翻译：

estimate; account; appraise; compute; figure; gauge; reckon
【化】 estimation
【经】 assess; assessment; computation; estimate; estimate price; estimates
gauge; reckon; reckoning; take the gauge of