A persistent closure of a managed root entity x is defined as the set of managed entities C(x) ={e}, where e is reachable from x directly or indirectly via a persistent relationship.
管理根实体x的一个持久化闭包被定义为一个管理实体集C(x) ={e}，其中 e 可以直接或间接通过一个持久化关系从 x访问。
QinetiQ North America will provide the electric drive propulsion or E-X Drive system for the GCV. This is a key component of the hybrid-electric drive system, according to a BAE press release.
北美QinetiQ将为GCV提供电力驱动推进或前驱动系统，这是混合动力驱动系统的关键组成部分。
4 (Exercise) Fordemand x(p) = p–e, for e > 1, find the consumersurplus as a function of p. (Hint: recall that the consumer surplus can be expressed as .)
(练习)对于需求x(p) = p–e 其中 e >1 用p表示出消费者剩余. (提示:回忆一下，消费者剩余函数可以表示为.)
A striking feature of the allelic patterns detected by these probes was that cells with the same AH had identical Y, X and V alleles(i. e, the alleles were haplotypic).
这些等位基因的一个显著特点是：相同的AH具有相同的Y、X、V等位基因型（即呈单体型性质）。
However, compared to X-ray crystallography, electron crystallography confronts with a critical problem, i. e. dynamical diffraction problem which makes structure analysis very complicated.
然而，由于电子与晶体之间强烈的动力学交互作用，使得用电子显微镜方法分析结构复杂化。
The advanced technologies adopted on a new style bus, PCI X, are introduced in this paper, e. g. the register to register communication mode, and the feature segment technology.
介绍了新型总线结构PCIX采用的先进技术，如“寄存器到寄存器”通讯方式、特征段技术等。
Windows to the east , west and north of a ZED scheme are all triple glazed units with low e coating to the highest specification commercially available. ( x' P' I.
按ZED图布置的东、西、北窗都是低发射率的三层玻璃窗，达到商业化产品的最高标准。
Windows to the east , west and north of a ZED scheme are all triple glazed units with low e coating to the highest specification commercially available. ( x' P' I.
按ZED图布置的东、西、北窗都是低发射率的三层玻璃窗，达到商业化产品的最高标准。
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