The other main obstacle to the economic advancement of the Africans is the industrial colour bar by which all the better jobs of industry are reserved for whites only.

提高南非黑人经济地位的另一主要障碍是工业部门存在的肤色壁垒，它们把所有好工作都留给了白人。

The market volatility is an important parameter in real option model, and the lack of this parameter is the main obstacle to the practical application for real option models.

波动率是实物期权模型的一个重要参数，这一参数的缺失是实物期权走向实际应用的主要障碍。

Buthospital performance is always uncertainly and fuzzy. So how to develop a scientific value evaluation method has become the main obstacle to perform high efficiency management of hospital.

由于医院的行业特点，医院绩效评价具有很大的模糊性和非确定性，如何科学合理地评价医院绩效，是困扰医院实行绩效管理的一大难题。

As a main obstacle in language teaching both in and out of China, writing has been feared by many students, and has been a nuisance to many teachers.

作文是中外语文教学中的一只拦路虎，不少学生“谈文色变”，不少教师一筹莫展。

Apart from policy and legal barriers to the operation of domestic enterprises, as well as non-standard non-transparent real estate market, but also the main obstacle.

除了政策和法律障碍，国内企业的运作，以及非标准非透明的房地产市场，而且面临的主要障碍。

The existing urban-rural dual structure is a main obstacle to integrated development. Efforts must be made to allow farmers to participate in China's modernization.

城乡二元结构是制约城乡发展一体化的主要障碍。必须让广大农民平等参与现代化进程。

Electric vortex of sleeve of full seal magnetic transmission is the main obstacle to obtain power transmission of high rotate speed and big energy.

磁传动隔离套涡流损耗一直是全密封磁传动向高速大功率传输动力的主要障碍。

Effect of thermal lensing is the main obstacle of getting high power and good beam quality in laser diode (LD)-pumped solid-state lasers.

在高功率激光二极管抽运固体激光器中，热效应已成为获得高输出功率和高光束质量的最大阻碍因素。

Apart from the word sense ambiguity and transformation divergence between languages, structural ambiguity is another main obstacle confronting the researchers.

除词汇歧义和转换变异映射外，结构歧义一直是机器翻译研究中的主要困难之一。

Now the main obstacle is funding.

现在最主要的困难就是资金的筹集。