难达到的

As there are many abstract concepts in this course, it is hard for the traditional teaching method to help students to have a visual view of these concepts, and can't attaint an ideal and expectant teaching effect.

课程中涉及了许多抽象的概念，用传统的教学方式很难使学生对这些概念有比较直观的认识，也就无法达到理想的教学效果。

But I do not have cosmetic so great power, although had been imperial crown class, although such credence is accumulated, very difficult also one make known to lower levels arrives such quantity.

但是化妆品我没有那么大的力量，虽然已经是皇冠级了，虽然有这样的信用积累，也很难一下达到这样的量。

The basic principles of the bio-oxidation of refractory gold-bearing concentrate in oxidation-box in static state are introduced.

介绍了难浸金精粉箱式静态生物氧化的基本方法流程，试验样品采用该方法处理 1 87d后，金的浸出率由 3 7.0 4%提高到 93 。0 1 %，基本达到槽式搅拌氧化 93 。68%的水平。

During their visits to China, most foreigners only toured developed cities such as Shanghai, Beijing and Shenzhen, but not poverty-stricken and backward central and west regions. So they cannot imagine that there are still 50 million Chinese living in poverty. We have made a three-step strategy for development, the target for the mid-21st century is to reach the level of intermediately developed nations.

许多外国人到中国访问，只看到上海、北京、深圳等发达城市，较少到中国中西部比较贫困和落后的地区，他们很难想象中国还有5000万人尚未摆脱贫困，我们国家制定了分三步走的发展战略，计划到下个世纪中叶达到中等发达国家的水平。

Under certain trading conditions it may be difficult or impossible to liquidate a position. This may occur, for example, at times of rapid price movement if the price rises or falls in one trading session to such an extent that under the rules of the relevant exchange trading is suspended or restricted. Placing a stop-loss order will not necessarily limit your losses to the intended amounts, because market conditions may make it impossible to execute an order at the stipulated price.

在某些交易状况下，可能很难或无法执行头寸，例如当价格急速波动时，若某一交易时段之价格上涨或下跌达到某一程度，致使依据相关交易所的交易规则被暂停或禁止交易，便可能发生上述状况，下达止损订单不一定就能将客户的损失限制在预定的范围内，因为市场状况可能使其无法按预定价格执行停损指示。

The results show that the integration of fluid mechanics models and finite eleme nt method is right, the forming limit of alumite LF6 can be raised effectively with hydro-mechanical deep drawing, and the drawing ...

结果表明，充液拉深流体压力作用与板料成形相结合进行数值模拟分析的方法是正确的，采用充液拉深工艺可以有效提高塑性差、难成形材料LF6的成形极限，拉深比可达到 2 。4。

The results show that the coverage area of tungsten film on diamond surface is above 90% and the steady tungstenic carbides WC and W2C are created by this technology. The tungsten film coated on diamond is realized.

结果表明，该方法可在金刚石表面镀覆上一层覆盖面达到90%以上的金属钨膜，且生成稳定的碳化物WC和W2C，得到由难熔金属钨包覆的金刚石。

The appearance of a picture can become more pure and terser after the object's transition from materiality to immateriality. He knows well that the gist of the Dhyana goes ahead of the action and model.

而经过过滤的物象得以抽象而出，完成从有形向无形的过渡，从而让画面变得更纯粹、更洗炼，达到一种&表里俱澄澈，悠然心会，妙处难与君说&的境界。

Dragon vacates network group to although this has begun to form the market,think, but can offer the website that has a level to optimize the regular corporation that can achieve stability to rank the effect especially truly not much, majority is with individual or atelier the form provides a service, as we have learned the person that most SEO service is offerred is black risk SEO, use some of cogged means to offer a rank namely, this kind of means is OK very fast platoon goes up, but fall down very quickly also even the website is banned, serve good client very hard.

龙腾网界认为虽然这块已经开始形成市场，但真正能提供有水平的网站优化特别是能达到稳定排名效果的正规公司不多，多数都是以个人或工作室形式提供服务，据了解多数的SEO服务提供者都是黑冒SEO，也就是用些作弊方式提供排名，这种方式是可以很快排上去，但也很快掉下来甚至网站被封杀，很难服务好客户。

Ensure that the handles of saucepans or other vessels are turned away — this will make it harder for a toddler to reach up and tip the contents over himself.

确保处理的锅或其他船只都转过身去-这将使得更难一个三岁的孩子，以达到和提示的内容超过自己。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失