The sample DEA has an active function on giving an orderofunits, risk evaluation, analyzing of DEA efficient units and forecasting the combination efficiency of some units.
基于样本的DEA方法在择优排序，风险评估，分析有效单元性质，预测组合有效性等方面具有积极的作用。
2
This form of layering does have its own drawbacks because its bakes in assumptions of location agnosticity and synchronicity of invocation into the higher order service units.
这种形式的分层有其缺陷，因为它假设高阶服务单元的位置不可知性和调用的同步性。
3
Sequencing involves determining the orderof the bases — the chemical units of DNA that are represented by the letters A, C, G and T — in a gene or on a chromosome.