优缺点

Many processes were used to refine benzoic acid. Each process has its advantages and disadvantages and can be used in different production conditions.

苯甲酸精制方法有很多种，每种方法都有各自的优缺点，适用于不同的生产条件。

Taking the tyre type 5.00 10 as an example,its traction performances are measured and analyzed comparatively by using two test methods,the advantages and disadvantages in these two test methods are point out to provide a criterion for actu...

以5.0010型轮胎为例，分别用两种试验方法测得了其牵引性能，并进行了对比分析，得出了两种试验方法的优缺点，为今后实际应用提供了依据。

The recent research advances in natural pigments has been reviewed from following aspects: the advantage and disadvantage of natural pigments, stabilization technologies which include anti-oxidant added in pigment, molecular modification, anthocyanins acylate, etc.

对天然食用色素的优缺点和稳定化技术进行了详尽的描述，稳定化技术包括在天然色素中添加稳定剂和抗氧化剂，改造色素分子的结构，对花青素进行酰基化等。

At last, advantages and disadvantages of these methods were analyzed and adjusting frequency method was discussed.

最后，分析了各种方法的优缺点，讨论了调整输出信号频率的方法。

First, the concept of parallel test is analyzed in detail, four sorts of structures adoptable for parallel test presently are presented and compared.

首先详细分析了并行测试的基本概念，介绍了目前实现并行测试可以采用的两大类4种结构，对这4种结构各自的优缺点进行了比较。

Objective To evaluate the indications,technic and clinical efficacy of transperitoneal laparoscopic adrenalectomy for adrenal diseases.

目的探讨腹腔镜下经腹腔径路肾上腺切除术治疗肾上腺疾病的适应证、手术技巧及优缺点。

I think everyone has his advantages and disadvantages.

我想每个人都有他的优缺点。

Analysis of the advantages and disadvantages of new methods, and because of its own point of view.

分析新方法的优缺点，并由于提出自己的观点。

The research on performance test of smoke-preventing air curtains;2. Some traditional models for smoke prevention and exhaust are analyzed and compared with the smoke-preventing air curtain.

文中从理论上分析与比较了目前世界各国在高层建筑中所采用的防排烟模式与防烟空气幕的优缺点，从理论上解释了防烟空气幕的合理性与可行性。

This article elaborated the construction principle of two pipe jacking methods——Sludge-liquid balance method and air-pressure balance method , introduced the main equipments used, discussed the construction technology and the treatment measures, then summarized and evaluated the construction effects as well as the merits and disadvantages.

本文结合工程实例，论述了顶管施工中泥水平衡顶管法和气压平衡顶管法两种顶管法的施工原理，对其主要设备及作用进行了简单介绍，对顶管施工中技术及问题处理措施进行了详细阐述，并对施工效果和两种顶管法施工中的优缺点进行了总结和评价。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。