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With the rapid development of national economy in recent years, the one-dimensional cutting stock problem occurs in many industry areas.

近年来，随着国民经济的飞速发展，一维下料问题在建筑、电力、水利等领域获得了越来越广泛的应用。

This scrutiny of the words peculiar to each play throws light on another difficulty in the Pastorals, viz, the recurrence of such expressions as "a faithful saying","sound words", etc."Moon-calf" occurs five times in "The Tempest", and nowhere else;"pulpit" six times in one scene of "Julius Csar" and never elsewhere;"hovel" five times in "King Lear";"mountaineer" four times in "Cymbeline", etc. Compare,"God forbid", me genoito of Gal., Rom., once in I Cor.

这一审议的话特有的每个发挥全光照对另一个困难是，在pastorals ，即再次出现这种表现为"忠实说"，"复音词"等"月亮-小牛"发生了5次"暴风雨"，并没有其他"；讲坛"的6倍在另一个场景中的"朱利csar "从来没有在其他地方"； hovel "的5倍，在"李尔王"；"登山"的4倍，在" cymbeline "等比较，"但愿上帝阻止"，我genoito半乳糖，光碟，一旦在I肺心病。

Methylation is a natural process that mainly occurs on cytosine, one of the four "letters" or bases that make up DNA.

甲基化是主要发生在在胞嘧啶(组成DNA的四个基或字母之ㄧ)的一个自然过程。

Methylation occurs naturally on cytosine bases at CpG sequences and is involved in controlling the correct expression of genes.

Methylation 在 CpG 序列位置的 cytosine 基上自然地发生而且参予控制基因的正确表现。

Darin body of a child is not good, the Rheumatology let him congenital heart big problem occurs, the doctor even warned his life it would be difficult for more than 20 years.

小时候的Darin身体并不好，先天性的风湿病让他的心脏出了大问题，医师更警告他的生命恐怕很难超过廿岁。

he snail darter occurs only in the swifter portions of shoals over clean gravel substrate in cool, low-turbidity water.

蜗牛镖仅仅生活在干净的沙砾层底层之上的清澈、凉快的浅滩水中。

To a Darwinist, the most common form of forced mating, so-called date rape, which occurs in an already charged sexual environment, looks a lot like an adaptive response.

对达尔文论者来说，强迫交配的最普通的形式即约会强奸，看起来很像是适应性反应，其发生在已经充满感情的性关系中。

To a Darwinist, the most common form of forced??mating, so-called date rape, which occurs in an already charged sexual environment, looks a lot like an adaptive response. Men who??

对达尔文论者来说，强迫交配的最普通的形式即约会强奸，看起来很像是适应性反应，其发生在已经充满感情的性关系中。

Part of dawsonite occurs as radial, bundle and plate, and some are very special as large massive condensates.

片钠铝石一部分以放射状、束状和板状等产出，另一部分呈凝块状大面积地连片出现，尤为特殊。

At the same time, the SEM study shows that gibbsite occurs on the sample surface. At 200 ℃, as dawsonite sandstone is being dissolved authigenic siderite forms. At 300℃, chlorite deposit on parts of the sample surface. The weak solution of dawsonite sandstone at 100℃ and the formation of siderite at 200℃ illuminate that CO2 being in carbonates in the strata can not be released when CO2 phase is adding to the system.

同时，各温度下样品表面均有一水软铝石放射状集合体沉淀。200℃时，随着片钠铝石的溶解有自生菱铁矿生成，300℃时样品局部有绿泥石沉淀。100℃下片钠铝石的微弱溶解及200℃下菱铁矿的形成表明，在地层条件下以碳酸盐矿物形式捕获的CO2，不会由于CO2的二次注入而重新释放。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。