查询词典 shortages

The results indicated that chromosome counting was the most reliable and precise method, however, it was cumbersome and required skilled cytological techniques; The chromocenter size, heterochromatin number, chroloplast number of guard cell and certain plant morphological characteristics are simple and practical methods for ploidydetermination but with some shortages.

结果表明：对体细胞染色体的直接计数法是最可靠的方法，但费时、难度大；叶片气孔大小与倍性无显著相关性；保卫细胞叶绿体数目、体细胞染色中心大小以及异染色质个数与黄瓜倍性密切相关，是简单、快速而有效的倍性鉴定方法；植株的形态学观察也能间接确定植株倍性，但鉴定时期偏晚，精确性较差。

And the shortages of two simplifications are pointed out.(2)A new networked PC cluster parallel computing environment is set up, and the detailed method of configuration and use is presented.

为引入有限元的并行计算技术，架构了一个微机机群并行环境，并详细给出了计算环境配置和使用方法。

Currently the dosage forms of the treating drug are ordinary oral tablet, suppository, clyster and so on.However, these dosage forms have shortages, such as used inconvenience, the efficacy is not ideal, relapse rate is high and number of adverse reactions is more.

目前其治疗药物主要是采用普通的口服片剂、栓剂、灌肠剂等剂型，但这些剂型存在使用不便、疗效不理想、复发率高和不良反应多等缺点。

The collisions of rigid bodies is a classical problem, however, the coefficient of restitution is used in the conventional researches to study this problem. The authors present a new way for this kind of problem. A theory of the collision between two rigid bodies in two dimensions, taking account of friction, is proposed according the Newton first law. And the shortages of former researchers are justified.

刚体碰撞是力学上的一个经典问题，但目前大都采用给定恢复系数进行分析的方法，本文则直接从两刚体碰撞时Newton第二定律出发，建立了计及摩擦的两刚体碰撞基本理论，并指出了以往研究通过给定恢复系数方法的错误之处。

Chapter 4 analyzes the common way of buffer management, points out their shortages, and puts forward a new, per-flow based buffer management mechanism—LOQD (Longest Over thresh time Queue Drop).

论文第四章分析了目前缓冲管理的常用方法及其存在的问题，提出了一种新的、基于连接的改进缓冲管理方法—LOQD(Longest Over thresh time Queue Drop)。

In our country, though the civil procedure system of investors has been established already, yet there are a lot of shortages, mainly including the imperfectness of laws and conservativeness of judicial policy.

我国的投资者民事诉讼救济机制已基本确立，但还存在诸多不足，主要是立法不完善和司法过于保守。

Because Chongqing government has a lot of shortages at present, the reformation of Chongqing government demands continuative promotion.

由于当前重庆市政府还有很多不足，所以重庆市的政府改革需要继续向前推进。

However, there are still some shortages for GA, such as searching algorithms in solution space, convergence of solutions and selection of controls parameters.

然而在应用中发现，遗传算法尚存在诸多不足有待完善，如：解空间搜索策略，问题收敛性，控制参数设置等，这也是它之所以长期成为国内外计算智能研究热点。。。

It overcomes the shortages such as low speed of convergency, easily running into the local optimization etc.

故我们在该学习模块中使用了基于免疫的学习算法，克服了基于梯度的学习算法的收敛速度慢、易陷入局部最小的缺陷。

But gasoline shortages and the Siegfried Line had stopped his troops and the counteroffensive in the Ardennes had thrown them back, temporarily.

只是汽油短缺，齐格菲防线阻止了其军，阿登大反击又将其部下暂时赶回。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。