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southwest by south相关的网络例句

查询词典 southwest by south

与 southwest by south 相关的网络例句 [注:此内容来源于网络,仅供参考]

If the tectonic uplift is not considered, the relief of Dabie orogen will reach at least 3km in Late-Cretaceous. As to the value of the relief reduction factor in Dabie orogen at 90Ma, the largest value appeared in northeast region, followed consecutively by the core and southeast Tanlu fault zone, with the smalleast value appeared in northwest and southwest region. The results reflect the strong uplift difference between core and North Huaiyang flank in Dabie orogen during doming extension period. Relief in the core region and southeast Tanlu fault zone is higher than those in the peripheral regions, northwest and southwest flanks are more stable than other regions.

如果不考虑构造抬升,大别造山带在晚白垩世地形起伏至少可达3km.90Ma时大别造山带地形起伏变化率在空间上呈现如下特征:东北区块最大,热窿核部其次,东南郯庐断裂区块再次,西北、西南区块最小,反映大别造山带热窿伸展期,核部与北淮阳翼之间强烈差异隆升,核部地形和东南郯庐断裂区块起伏高于周边地区,西北、西南两个翼部比其他地区稳定。

ABSTRACT It is because that the excellent acceptors for maize transgenic engineering are insufficient in our country, especially in the southwest mountain areas of china and hereditary variation regularity for the two characters such as efficiency of embryonic callus induction and number of regenerating plant (these two characters were abbreviated to the nduction efficiency and number of regenerating in the following of the paper, respectively), which hint the maize culturing capacity, is not very clear. Therefore, aiming at picking out superior acceptors, we had made systematic researches on the two characters with combing traditional quantitative-character genetic analyzing methods such as single-factor genetic mating design, diallel crossing genetic design, genetic effect analyzing method and the modern molecular locating method such as QTLs'. The main results are followed.(1) 50 superior inbred lines and about 30 crosses in our country, especially in the southwest of China were used for identifying and selecting the superior genotypes in the above two investigated characters under the same culturing condition in 2000 and 2001. There was very significant difference among the genotypes in the both characters. But the two characters were not certainly related. Some genotypes such as 18-599 and 18-599 were very good in them. For some ones such as zong 31, induction was higher than 18-599 and 18-599 in the efficiency, but it was only 1/3 to the later in regenerating number. In some genotypes such as S37, R08, R15, P138, A318, induction efficiency was just about 3% and scarcely any regenerating plants were got. On the whole, hybrids acted better than inbreeds in the both characters.(2) Two kind of inbreeds were selected as parents of the Griffing's method 1. 18-599 and 18-599 and the inbred line zong 31 are one kind because they are not only superior in the characters of maize cross breeding, such as CA, resistance to disease and the important agricultural characters, but also excellent in transformation characters as the induction and regeneration.

针对我国、特别是西南山地所需玉米转基因工程育种优良受体极为匮乏和反应玉米幼胚培养能力的2个主要性状,即玉米幼胚胚性愈伤组织诱导率和胚性愈伤组织绿苗发生数的遗传变异规律十分不清楚的实际情况,本研究从筛选玉米转基因工程所需要的优良受体入手,采用单因素遗传交配设计、双列杂交遗传交配设计、世代基因效应等传统数量性状分析方法,以及现代分子标记定位主效QTL分析方法,对玉米幼胚胚性愈伤组织诱导率和胚性愈伤组织绿苗发生数等2个性状进行了较为系统的分析研究,取得以下主要研究结果:(1)于2000年和2001年通过对我国、特别是西南地区近50份优良自交系和近30个杂交组合,在相同培养条件下,对幼胚培养胚性愈伤组织诱导率和胚性愈伤组织绿苗发生数等2个幼胚培养能力性状进行了筛选与鉴定,发现玉米不同基因型具有完全不同的幼胚培养胚性愈伤组织诱导率和胚性愈伤组织绿苗发生数,但幼胚培养胚性愈伤组织诱导率与胚性愈伤组织绿苗发生数并不具有必然的相关关系,有的基因型,如自交系18-599和18-599在胚性愈伤组织诱导率和愈伤组织绿苗发生数等2个性状都表现相当优异;有的基因型,如自交系综31,仅幼胚培养胚性愈伤组织诱导率性状表现高于19-599和18-599,但在胚性愈伤组织绿苗发生数这一性状则与它们有相当大的差距,仅为19-599和18-599的1/3左右;有的基因型,如S37、R08、R15、P138、A318等玉米自交系不仅幼胚培养胚性愈伤组织诱导率很低,平均仅在3%左右,而且胚性愈伤组织绿苗发生数表现也很差,基本上没有分化成苗。

Deftly produced by Andrea Helman, Art Wolfe and Gavriel Jecan, C Is For Coyote: A Southwest Alphabet Book is a gorgeously illustrated alphabet book for young readers ages 5 to 8, and filled with stunning photographs by Art Wolfe and Cavriel Jecan of the wildlife, environment, and landmarks of the American Southwest.

灵巧地生产的安德烈Helman ,艺术和沃尔夫文迪Jecan , C是对于凯奥特:美国西南英文书是绚丽多彩说明字母书年轻读者年龄5至8 ,并充满了惊人的艺术照片和Cavriel Jecan沃尔夫的野生动物,环境,标志美国西南。

Along with Tajik Basin and the Southwest Southwest Depression of Tarim Basin, Alay Basin was one of the remnant basins on the north rim of the Tethys during the Late Triassic to Paleogene, it became a peripheral foreland basin in Miocene.

阿莱依盆地是特提斯北缘盆地群中的一个,晚三叠世—古近纪与相邻的塔吉克盆地、塔里木盆地西南坳陷基本连通,中新世以后才成为分隔的周缘前陆盆地。

Through the study on the regional geological setting of the concentrated distribution area of epithermal deposits in Southwest China, including the characteristics of the basement, the cover, structure and geophysics, and some geological features of some epithermal deposits, this paper concerns mainly with the condition which leads to the concentrated distribution of the epithermal deposits in Southwest China.

通过对我国西南地区低温热液矿床集中分布区的区域地质背景(包括基底、盖层、构造与地球物理特征)和一些低温热液矿床的地质特征的研究,重点对低温热液矿床集中分布在中国西南地区的条件进行了初步探讨。

Tea growing area southwest of tea-growing areas in Southwest China, including Yunnan, Guizhou and Sichuan provinces as well as the southeast of Tibet is China's oldest tea growing area.

西南茶越来越多的茶区西南,西南中国成长,包括云南,贵州,四川等省以及西藏东南部,是中国历史最悠久的茶叶种植面积。

In the United States, they are best known for their history as pack animals in the desert southwest Southwest .

在美国,它们最出名的是在西南那片不毛之地作为驮畜的历史。

Plateau basin surrounding karst groundwater resources to strengthen the investigation and identify the volume of 998 million cubic meters of mined / year; Southwest karst areas to 180 billion cubic meters of underground water resources / year, the volume of 77 billion cubic meters of mined / year; Southwest completed eight provinces 339 counties 740,000 square kilometres trees remote sensing surveys; Preliminary identification of the geological environment of the Yellow River source region ecological conditions change, first proposed the freezing cold caused a drop in water level at Sheung Shui and Yuen district water meadow degradation of the important reasons for the deterioration of the environment.

加强鄂尔多斯盆地周边岩溶地下水资源的调查,查明可开采量9.98亿立方米/年;西南岩溶地区的地下水资源为1800亿立方米/年,可开采量770亿立方米/年;完成西南八省339个县74万平方公里石漠化遥感调查;初步查明了黄河源区生态地质环境变化状况,首次提出冻结层上水水位下降是造成高寒草甸退化和源区水环境恶化的重要原因。

School of Economics and Management, Southwest Jiaotong University, Chengdu 610031, China;School of Traffic and Transp., Southwest JiaotongUniversity, Chengdu 610031, China

西南交通大学经济管理学院,四川成都610031;西南交通大学交通运输学院,四川成都610031

Schoolof Economics and Management , Southwest Jiaotong University , Chengdu 610031, China ;School of Economics, Sichuan Normal University, Chengdu 610068, China;School of Traffic and Transp., Southwest Jiaotong University, Chengdu 610031, China

西南交通大学经济管理学院,四川成都610031;四川师范大学经济学院,四川成都610068;西南交通大学交通运输学院,四川成都610031

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推荐网络例句

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性,而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我,那他就大错特错了。

Can I be excused today's lesson?

我可以不上今天的课吗?