四级
stage───vt.举行；上演；筹划；n.(Stage)人名；(英)斯特奇；vi.举行；适于上演；乘驿车旅行；n.阶段；舞台；戏剧；驿站
stage by stage───adv.逐步地，一步一步地；分阶段地
four───num.四，四个；n.四个人（或事）的一组；（板球）四分的一击；（衣服等）四号；四点的纸牌；四浆赛艇，四人划船队；n.(Four)（法、美）福尔（人名）；adj.四的；四个的
stage name───n.演员的艺名
stage manager───n.舞台监督
trial stage───试用阶段；[法] 审判阶段
unicellular stage───[医]单细胞期
initiation stage───起始阶段
embryonic stage───胚期
The two plug-ins define a four-stage process: plan, define, enable, and measure their respective areas of governance.───这两个插件定义了一个包含四个阶段的流程：规划、定义、实现和衡量各自的治理领域。
Forrester Research recommends a four-stage it governance maturity model.───Forrester Research推荐有四个阶段的IT治理成熟模型。
According to a four-stage risk capital and debt maturity, determines the possible modes of financing and capital costs.───据四个阶段的风险资本和债务期限，确定了可能的方式，资金筹措和资本成本。
By gradually abandon three-nursery system, the extension of four-stage seed production procedures should be considered.───指出：中国应逐步放弃“三圃制”，推行四级种子生产程序；
On this basis, the forecasting methods of traffic demands, especially four-stage laws are researched and summarized.───在此基础上，对出行需求预测方法，特别是四阶段法进行了比较详尽的研究总结。
As a leader in Internet and business technologies, Intel sees the evolution of e-Business following a four-stage progression.───作为一名网络的领导者和技术提供者，英特尔公司在经历了互联网的四次进程后看到了电子商务的演变。
The mathematical models of single-to four-stage semiconductor refrigerator were developed and numerical calculation was carried out.───建立了半导体单级到四级制冷器的数学模型，并进行数值计算。
After four - stage cleaning flotation. 86. 8 % of ash was rejected from coal.───经过四步浮选后，灰分的去除率可达到86.8%；
Egan's four-stage problem management model, so essential in basic training, is also regarded as applicable to management problems.
These estimates were based on a four-stage assessment of the effects of creating free movement.
It has been designed to execute most single-word instructions in a single clock cycle through a four-stage instruction pipeline.
But, as Taylor shows, in the value-adding spectrum, they only comprise the first stage of a four-stage process.
This dynamic pilot study on purification of Linjiang river, branch of Yangtze River, by canna indica with four-stage floating bed technology was performed.