查询词典 bottleneck

Several even ts,that affect genetic variation during ecological restoration,such as sampling error and small population size (bottleneck or founding event and subsequent inb reeding and genetic drift),were extensively discussed.

分析 了生态恢复过程中影响种群遗传变异的因素，主要有取样误差和小种群效应(主要是瓶颈或建立者事件及其以后的近交和漂变)；在进行生态恢复时也要考虑局部适应，对影响种群局部适应的因素也进行了分析。

Although B2C electron business affairs is in financial cold winter refluent and go up, but its still are faced with developing bottleneck, and be inferior to in gain respect at present meaning.

尽管B2C电子商务在金融寒冬中逆流而上，但其仍面临着发展中的瓶颈，而且目前在盈利方面并不如意。

"REIT restrictions limiting the size of the rapid development of real estate trust a bottleneck problem." Analysis of Dr.

"房地产投资信托基金的限制的大小限制的迅速发展，房地产信托的一个瓶颈问题。"

To some degree, the limitation has become the bottleneck of restorative justice's development.

这些缺陷某种程度上已成为阻滞恢复性司法发展的瓶颈。

However, financing has become a bottleneck restricting the development of SMEs.

然而，融资问题已成为制约中小企业发展的瓶颈。

At present, obtaining appropriate cells is the bottleneck retarding the development of tissue engineering.

目前种子细胞是制约组织工程发展的一个主要瓶颈。

ABSTRACT : This paper argues that we have to breach bottleneck so as to expand developmental roomage of courtyard economy, and that heighten technological content of courtyard economy by to excavate technological potential.

摘 要：本文针对目前我国庭院经济的发展状况，提出必须通过提高劳动者素质，开发农村人力资源；形成产业化、集团化、区域化特色庭院产业和优势产品，打造庭院产品的产地市场；扩大庭院规模，拓展经营范围，来突破瓶颈限制，拓展庭院经济的发展空间。

Focusing on the computational bottleneck of traditional CCA,StreamCCA introduces a low-rank approximation technique to reduce the dimensionality of product matrix resulted from sample correlation matrix and sample variance matrix,which improves computational performance efficiently on the premise of holding approximate precision.

经理论分析和实验证明，S treamCCA能够在线精确地识别两条多维数据流的相关关系，可以作为通用的预报和诊断分析工具广泛应用于数据流挖掘领域。

The thesis studies the necessity and rationality of using the technology of variable frequency drive to resolve the bottleneck in SPCP s driving system, and describes the hardware developing process of sample of the variable frequency drive .

本文主要论述了，在潜油螺杆泵采油系统中应用变频驱动技术来解决这一问题的必要性和合理性，并详述了试验样机的硬件开发过程。

Around half a year ago, they chose the new suction pads from Schmalz and broke through the bottleneck of the product handling speed, and made the full use of the automation and robot system.

今年3月，《包装博览》杂志专程远赴云南，在距离昆明市约2小时车程的弥勒县访问了这家优秀企

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。