难以

There are many songs sung between humans that lead to depression, joylessness and sticky fields that are difficult to spin or ascend.

在人类中间，有很多带来了沮丧、毫无乐趣、难以转动或难以提升的粘稠能量场的歌曲在吟唱。

It is only equipped with a caliber 25 mm M242 cannon, 7.62 mm coaxial machine gun 1, 7.62 mm caliber fixed machine-gun turret at the top of a difficult pose a threat to armored targets on the battlefield, so the "Kodiak Bear" armored vehicles fire difficult to adapt to the needs of the battlefield.

它只装备有口径25毫米的M242机关炮、7.62毫米口径共轴机枪一挺、7.62毫米口径顶部炮塔固定机枪一挺，难以对战场装甲目标构成威胁，因此，"科迪亚克熊"装甲车的火力难以适应战场的需要。

In facing the global competition, many Taiwanese companies especially in the traditional industries have decided to move out of the island, due to cost concern. The labor intensive speaker industry is one of such examples. In the 90s of the last century, many companies in the speaker industry have seen to move to Mainland China or South-East Asia. To control the resources of raw materials becomes the key success factor in achieving competitive advantages in operation, technology and marketing in the speaker industry.

中文摘要台湾面临竞争环境的变迁，为了成本之考量，台湾传统产业不断的大量外移，尤其扬声器产业是属於劳力密集，相关产业在九O年代中期大量外移至大陆或东南亚，在产业内部厂商难以拥有足够的资源，而必须仰赖优资的零组件，而企业重要关键在於掌握资源基础的能力，以取得效率及难以模仿之优势。

In lingual orthodontics, the applying of intrusion force was less useful than the well control of the M/F ratio to control the torque of upper incisors. If the crown of the incisor had been inclined lingually, it would be very difficult to recover the torque.

3舌侧正畸中，首要的是控制好M/F值，否则即使加大垂直压低力也难以抵抗冠唇向转矩的不足；而且一旦产生舌倾趋势，将比唇侧正畸更难以恢复。

His views could be maddeningly hard to pin down, and were somewhat more complex and subtle than those of his followers.

他的看法令人抓狂地难以确定，而比起他的追随者，多少有点复杂、难以琢磨。

Lacking necessary metrization, RCC only describe spatial topological relations roughly without further accurateness, and it is also not easy to describe spatial relations such as distance, direction and so on, with the exclusion of topological relation.

但由于缺乏必要的度量，RCC只是粗略地描述空间拓扑关系而难以对其更准确地描述，也难以利用RCC描述除拓扑关系之外的其它空间关系，如距离、方向等。

As a result of the element of Chongqing situation, till today, local shoemaking enterprise still is versed in with the hand mill is given priority to, because this goes up to get assuring steadily hard in quality, more important is long-term go down before, the industry forms his relatively stable industry worker very hard, on the disorder that can cause management to go up from this and quality hard monitoring.

由于重庆地理位置的因素，直到今天，当地制鞋企业还以手工作坊为主，因此在质量上难以得到稳定的保证，更重要的是长期以往下去，企业很难形成自己相对稳定的产业工人，由此会导致治理上的混乱和质量上难以监控。

Major obstacles are raised during legal proceedings over network virtual properties, because of the difficulties in retrieving and solidifying evidences over network in real time, which, in term, are due to the mobility, undeterminability, and modifiability of digital information transferred through networks.

由于网络传输中数字信息的流动性、不确定性和易删改性，使得网络证据难以即时取得、难以固定。这一特征成为影响网络虚拟财产纠纷诉讼的主要障碍。

Learn to go up in management normally, the active management range of a person is 10 people, a few largish information websites or industry website, itself of its editor amount has exceeded 10 people dimensions, everybody is squeezed together, cent belongs to different column, although be of one mind endeavors, but actual editor effect can sell at a discount greatly however, this creates a kind of confused situation very easily: Each column does not have characteristic, which column also have not a leg to stand on, final and whole website also became giant information fill warehouse, what have day after day only is stickup and duplicate, for years only answer a year delete newlier, editors work not only as dry as a chip, interest cannot be found in the job, website reader also is to trot along on horseback view is beautiful, letter hand browses and stop hard scrutiny, whole website is to produce enough and striking force hard more.

通常在管理学上，一个人的有效管理幅度为10个人，一些稍大的资讯网站或行业网站，其编辑数量本身已经超过10人规模，大家挤在一起，分属不同的栏目，尽管齐心尽力，但实际编辑效果却会大打折扣，这很容易造成一种混乱的局面：各栏目没有特色，哪一个栏目也站不住脚，最终整个网站也成了庞大的信息填充库，只有日复一日的粘贴复制，只有年复一年的更新删除，编辑们不仅工作枯燥，在工作中找不到兴趣，网站读者也是走马观花，信手翻阅而难以驻足细看，整个网站更是难以产生足够惊人的影响力。

Two reformative operations are introduced, including the parent population involving selection and optimal individual maintaining. The design of fitness function and the scheme of encoding and decoding of GA are discussed significantly.

最后，针对系统测试存在大量测试数据难以获取，系统长期连续运行性能难以评价的困难，提出了一个基于仿真的信息系统性能测试框架，利用该框架对集装箱堆场大门作业计划系统进行性能测试。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。