over-the-calf stocking;half-stocking,knee-length stocking;kn

In this paper, application of financial system of concentrated and unified type to diversified operation of electric power is studied.

本文对集中统一型财务体制在电力多种经营的应用进行研究,通过分析现状,阐述了完善该体制的基础环节,并提出了亟待确立以成本中心为主题的财务管理方向。

Geochemical evidence for original minerology of middle Ordovician limestones;

奥陶系中统灰岩原始矿物成分的地球化学证据