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The hardware and software of the control system can be implanted in products.

控制系统的软、硬件体系结构可完全移植到产品样机中。

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。

On the base of the implementation of the improved design, a whole new design scheme is proposed, a design that absolutely incarnating the software radio spirit.

在已经实现的方案基础上又提出了新的完全基于软件无线电设计思想的系统方案,该方案利用信道中导频信号巧妙地简化了频率捕获与跟踪问题。

A measurement scheme is proposed by theoretical analyzing and experiment, which is a mutidiscipline method relating to optics, precision mechanism, electronics, computer science and control technology. In the designing of the controller, a fourfold phase photoelectric battery is used as the photoelectric incepted sensor, an ADuC812 chip is used to sample data and a incomplete numeric differential PID arithmetic is adopted in the control system.

通过理论分析和试验研究,设计了一套涉及光学、精密机械、电子、计算机和自动控制等多学科技术的测量控制方案,建立了以光电池为光斑位置信号检测传感器,采用ADuC812数据采集芯片进行数据采集和不完全微分数字PID控制算法的跟踪测量控制系统,通过跟踪测量实验验证了这种方法的可行性。

It not only completely retain s the structure of the original interchanges, but also realizes the planning functions.

昆明主城二环快速系统改扩建工程中对小庄立交的改建具有一定的代表性,它不仅完全保留了原有的立交结构,而且实现了规划的功能。

Not all of the kinks in China's highway system have been worked out yet.

中国高速公路系统中的问题尚未完全消除。

This action has no connection at all with the operating state of the pneumatic manoeuvring system.

此动作完全没有连接到气动操纵系统的操纵状态。

This action has no connection at all with the operating state of the pneumatic manoeuvring system.

此动作完全没有连接到气动操纵系统操作状态。

To feed an infant with animal food before it has teeth proper for masticating it, shows a total disregard to the plain indications of nature, in withholding such teeth till the system requires their assistance to masticate solid food.

养活婴儿与动物性食品在它适当的牙齿咀嚼它,显示了完全无视的平原迹象性质,如牙齿在扣留,直至系统需要的援助咀嚼固体食物。

The maximums of all kinds of errors arecalculated and corresponding correction and compensation methods are provided.

在修正光栅累积误差以及对温度进行补偿之后,系统完全可以实现O.1μm/100mm的位移测量精度。

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The good news is that after formatting from the command line to FAT32 (format /fs:fat32 /a:4096 drive:) all but one of the problematic games that I tested work perfectly.

好消息是,从指挥线后格式化了FAT32(格式/曾荫权:了FAT32/答:4096年径:)所有问题,但其中的游戏测试工作,我很好。

In Amsterdam. He is a Dutch painter, draftsman, and etcher of the 17th century, the greatest artist of the Dutch school, a master of light and shadow whose paintings, drawings, and etchings made him a giant in the history of art.

伦勃朗是一位17世纪画家、绘图家、版画家,荷兰学派的最伟大艺术家,他的明暗法的大师,他的绘画、素描和版画使他成为一位艺术史上的巨匠,其画作体裁广泛,擅长肖像画、风景画、风俗画、宗教画、历史画等。

Impulsively, she had married a man she thought she loved.

她很突然地嫁给了一个她认为她爱的男人。