查询词典 disadvantages

Currently the principal tick control method is the application of acaricides. This approach is, however, associated with a number of disadvantages such as chemical pollution of the food chain and the environment as well as the quick development of resistance against acaricides by ticks.

现在，对蜱的控制方法主要是化学药物应用，但随着蜱耐药性的产生以及环境污染和药物残留等严重公共卫生问题的出现迫使人们寻求防治的新途径。

The article introduces and compares the principle,advantages and disadvantages of and several aflatoxin analysis method.

简单介绍了几种在黄曲霉素日常检测中经常应用的分析方法原理和优缺点，并进行了比较。

Every thing in the world has its own two sides. Without exception, Ahas both advantages and disadvantages.

任何事情都有两面性，A也不例外，有其优势和劣势。

Chapter Four ascertains ambits of the Northwest China, analyzes resource and environment situations, and illuminates advantages and disadvantages of resource and environment in Northwest China.

同时，由于国内外环境条件的变化，西部开发不可能像东部一样在很短时间内(20年)取得大的成效，而且也很难达到东部开发所取得的效果。

Objective To investigate the imaging features and the methods of early etiological diagnosis of aneurismal subarachnoid hemorrhage, and to evaluate their advantages and disadvantages objectively.

目的 探讨动脉瘤性蛛网膜下腔出血的影像学特征及早期病因学诊断方法，并客观评价其优缺点。

Japan-Tefeno-Shikano methodis considered as an effective method of improving the qualities of heavy forgings. But the traditional JTS processing is complex, and it causes material damage of forging surface. So a new method is proposed, which requires only one-dimensional temperature gradient and the flat anvils to avoid the disadvantages mentioned above.

在大锻件的锻造过程中，为了锻合缺陷，提高锻件内部质量，采用中心压实法可以起到较好的效果，但是由于传统中心压实法锻造的操作复杂，工况较差，而且锻件表面容易产生压伤和折叠等问题，所以提出一种新的中心压实法―一维温差中心压实法，即只对锻件上下表面强制冷却，建立一维的不均匀温度场，采用平砧进行锻造，从而避免上述问题。

However, this therapy has many disadvantages, such as insufficient autografts, a severe morbidity of donor site, immune elimination towards allografts, etc.

然而，这一治疗过程存在着缺乏充足的自体皮源，供区继发性损伤大，异体皮肤移植引发免疫排斥反应等等众多缺点。

At the present time, MWFS has the disadvantages of slow dynamic response, dynamic measuring error and coupling between axises. At the same time there is also dynamic nonlinear in the coupling channels. These problems affect MWFS's dynamic quality badly.

目前腕力传感器存在着动态响应速度慢、动态测量误差和维间耦合问题，此外在耦合通道还存在着动态非线性作用，这些问题严重影响了腕力传感器的动态品质。

Both in vivo and in vitro bioassay approaches offer their own advantages and disadvantages, some of which can be addressed using the toxicity identification and evaluation procedure.

无论是在体内和体外生物测定都分别有其特有的优点和缺点，其中一些测定法可以使用于毒性鉴定和评价程序。

Like the various types of catalysts, their configuration also has advantages and disadvantages.

喜欢各种不同类型的催化剂，它们的配置也有优点和缺点。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。