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Conventional forest breeding is constrained by its long reproductive cycle, which includes long juvenile period, and by its complex reproductive characteristics, such as self-incompatibility and a high degree of heterozygosis. Gene transformation has played an important role in woody plant improvement, which can shorten breeding period and breed varieties with high salt tolerance.

随着分子生物学技术的发展，从盐生植物中分离出抗盐基因，导入林木，获得抗盐品种；况且林木由于其较长的幼年期，常规育种有明显的局限性，而通过转基因可以在较短时间内获得高抗盐品种，缩短育种周期，因此开展林木抗盐育种具有重要的意义。

Should you be incapacitated for work during any period of pre-booked holiday the Company may in its absolute discretion reimburse the period of holiday entitlement lost due to incapacity.

不管完全或部分假日应得的权利的时期公司在它的完全谨慎中可以偿还失去的到期无能力与否，在任何预先预订假日的时期你应该被为工作使失去能力。

During this period, the lake areas were bigger and lakes levels were higher than those in the best period of the Holocene.

因此本文讨论的大湖期主要是以最近一次最大湖泊扩张时形成的最高古湖岸线为标志。

The Holocene was the quick development and prosperity period of the mankinds civilization, and also the great change period of the global environment.

全新世时期是人类文明迅速发展繁荣的时期，也是全球环境发生深刻变化的时期。

Hosea prophesied in a dark and melancholy period of Israel's history, the period of Israel's decline and fall.

何西阿预言在黑暗和忧郁的时期，以色列的历史，期间，以色列的衰亡。

Humification proxy has better recorded the subtropical high activities of the Western Pacific Ocean for long period. For shorter period , the humification proxy is less sensitive.

腐殖化度代用指标能很好地记录较长时间西太平洋副热带高压的变化，而对西太平洋副热带高压数十年到百年的频繁波动，则记录不明显。

Sessile organisms developing on plastic plates at various depth at two sites in an oyster farm at Putai Bay were studied during the period from March 1982 to May 1983. The plastic plates were immersed monthly for about one, two and three months period. Among the 29 spp. of attached invertebrates, oyster is the most abundance, follow by bryzon, tunicate, barnacle, tube worm, hydroid and sponge.

为探讨附著生物的出现季节与数量，本研究自民国七十一年三月至七十二年五月於嘉义县布袋海湾之牡蛎养殖区内，每月以塑胶板做为基质，於不同地点及水深放置一、二与三个月，以采集当地之附著生物。

RESULTS: The experimental eyes were changed from hypermetropia at pre-experiment to high myopia quickly during experiment period, and the diopter degrees were deeper and eyeball axis were longer accompanying with the period elongation of form deprivation.

结果：实验组由实验前远视眼快速演变为高度近视眼，并随遮盖时间延长，近视度数加深，眼轴延长；两组眼球后壁均有VIPmRNA阳性表达；随出生时间延长两组VIPmRNA表达均逐渐增强。

It can not only influences the growth of fetus period,but also influences the growth of body and intelligence from the neonatal period to the adolescent age.Even it relates with some of diseases which happened during the adulthood,such as coronary artery disease,obesity,diabetes,hyperpiesia,stroke and so on.

它不但影响胎儿期的发育，而且影响新生儿期、儿童期和青春期的身体和智力发育，甚至与成年期的冠心病、肥胖、糖尿病、高血压及卒中等疾病发生也有一定的关系。

The contents of Chinese liberalism in the period of May 4th Movement is of great diversity, the core of which is the individualism as a style of Ibsenism. To achieve the ultimate purpose, Chinese liberalists in wusi period carry out a thorough anti-traditionalism; they criticize feudalism patriachal clan system thoughts; they pay close attention to women liberation.

五四自由主义的内容是多方面的，其核心是个人主义，主要表现为易卜生主义；为了终极的目的，中国五四时期的自由主义者采取了全盘的反传统主义；对以孔教为中心的封建伦理思想进行了否定；对中国封建宗法思想进行批判；对妇女解放给予关注。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。