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In the Northeast and the Middle West, it is very hot at some times and very cold at other times.

在东北部和中西部，这是非常炎热的时候，很有些在这些国家的其他times。

In the Northeast and the Middle West, it is hot at some times and very cold at other times.

在东南部和中西部地区，有些时候很热而其他时候很冷。

The prevalence of work-related low back pain increased with individual physical loads, which was 10 times higher in moulders, compared with auxiliary workers, and 2 times higher than that of turners and cleaners, respectively.

职业性腰背痛患病率随个体体力负荷暴露的增加而升高，其中造型工平均负荷最高，分别达后勤组和车床、清理组的10倍和2倍。

Through research and analysis of data, it was observed that the length and width of bark fiber varied according to the lop and age, the results show the fiber of the Salix bark is longer than the Salix and width of fiber almost same, fiber length of the Salix bark mainly influenced by the times of lop. The ash in Salix bark,1% Sodium Hydroxide Solubility in Salix bark, water solubility in Salix bark, Ethanol-Toluene in Salix bark, acid-insoluble lignin in Salix bark changed with the lop and age is also been investigated, the component of Salix bark is higher than Salix except acid-insoluble lignin,and it's high effected by times of lop; the TG analysis and DSC analysis is been used on the Salix bark and Salix to study the character of the hot-action, and the rang of the pyrogenate temperature is confirm; the quantity of Salix bark effect on the MOR, MOE, swelling in 24h water, nail withdraw and inner strength was determined, the results show that the Salix bark notability effect on the properties of board and dropped it; the properties of the Salix bark board is nearly the board product by other bark residues, it was established the multi regression equation of each properties and optimized the fitting produce condition of Salix bark board.

通过试验和数据处理，得出了沙柳树皮纤维长度、宽度随平茬和材龄的变化规律，结果表明沙柳树皮长度要比沙柳材的要长，宽度基本相同，沙柳树皮纤维长度主要受平茬次数的影响；找出了沙柳树皮中灰分、冷热水抽出物为、1%NaOH抽出物为，甲苯乙醇抽出物、酸不溶木素与平茬次数和材龄之间的关系，除酸不溶木素外，其他成分均明显高于沙柳材，沙柳树皮的化学成分主要受平茬次数的影响；利用TG和DSC法分析了沙柳树皮和沙柳材的反应热特征，确定了热解的温度范围；研究了沙柳树皮量对于刨花板MOR、MOE、吸水厚度膨胀率、握钉力以及内结合强度的影响，结果证明沙柳树皮量对于刨花板的各项性能指标影响显著，它的掺入降低了刨花板的各项性能；对沙柳树皮板的研究表明，沙柳树皮板的各项性能与同类树皮板的性能基本相近，建立的二次回归模型稳定，并利用回归方程求出了适宜的沙柳树皮板制造工艺。

Yager says there are times to abandon a friendship, and times to stick it out. It's time to cut bait when the time spent with a friend is not rewarding.

Yager 说一份友谊有时要放弃，有时也要坚持，当已不值得和朋友在一起时，就到了断交的时刻。

Yager says there are times to abandon a friendship, times to stick it out. It's time to cut bait when the time spent with a friend is not rewarding.

Yager说一份友谊有时要放弃，有时也要坚持，当已不值得和朋友在一起时，就到了断交的时刻。

Once or twice, or even up to several times of failure, if I am able to compose a good song, how many times of failure are still worthed!!

一两次，甚至六七次的失败，如果最终制作得到一首好的曲子，再多次的失败也是值得的！！

There is another way to help your friends or other nearby people to find you.Give them a signal by shouting or whisting three times,stop then shout or whistle three times.

还有另一种帮助你的朋友或附近的其他人找到你的方法：通过大声呼喊或吹3次口哨，停止后大叫或吹口哨三次。

The retail and institutional tranches were more than 500 times and 40 times subscribed respectively.

散户与机构部分的超额认购分别达到500倍和40倍。

Its institutional tranche was more than 10 times subscribed, while the retail tranche was covered more than 200 times.

它的机构部分获10倍以上超额认购，散户部分则获得了200多倍的超额认购。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。