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This paper presents a study of Eucalyptus dunnii tissue culture, using its seeds as explants. The results reveal that MS medium is a suitable basic medium for its seeds to germinate and grow; that MS+KT1.0 mg/L+2, 4-D2.0 mg/L+Homocysteine30mg/L is a good medium to induce its seeds to dedifferentiate directly into callus; that H+6-BA2.0 mg/L+IAA0.2 mg/L is a good medium to make its bud on the seedling reproduce more buds; that MS+6-BA2.0 mg/L+NAA0.2 mg/L is a better medium to induce its root on the seedling into callus; that B5+6-BA2.0 mg/L+2, 4-D0.2 mg/L can induce its under-hypocotyl to differentiate into buds; and that B5+Ad2.0 mg/L+IAA0.2 mg/L can induce its under-hypocotyl into callus to generate normal buds.

以邓恩桉种子为外植体，探讨用最少种子快速繁殖最多幼苗的方法，结果表明：MS培养基是较适合邓恩桉种子萌芽和生长的基本培养基；诱导种子直接脱分化成愈伤组织的较佳培养基配方为MS+KT1.0 mg/L+2，4-D2.0 mg/L+半胱氨酸30 mg/L；以邓恩桉实生苗的芽来繁芽的较理想培养基配方为H+BA2.0 mg/L+IAA0.2 mg/L；邓恩桉实生苗的根诱导愈伤组织的较佳培养基配方为MS+6-BA2.0 mg/L+NAA0.2 mg/L；诱导邓恩桉下胚轴分化芽较佳培养基配方为B5+6-BA2.0 mg/L+2，4-D0.2 mg/L；诱导邓恩桉下胚轴脱分化为胚性愈伤组织的较佳培养基配方为B5+Ad2.0 mg/L+IAA0.2 mg/L。

One of their crucial functions is to make up the error recovery due to the deteriorative channel transmission conditions, provide better links condition to the transmission control protocol of upper layer. Then, the study of RLC and MAC two layers retransmission mechanism is very important to whole wireless system.

这两层有一个重要的作用就是弥补无线通信系统中信道条件不理想或底层不理想造成的传输错误，为上层的传输协议提供性能良好的链路环境，提高上层数据业务在无线传输通信系统中的性能，因此研究RLC和MAC层的重传性能对整个无线传输系统是很重要的。

As the construction of the administrative rule of law is relatively late in our country, it is of great significance for our country lacking in law tradition to standardize and control the administration discretional power and make its operation meet the needs of socialist market economy so as to serve the modernization better in the course of transformation period.

行政法治建设在我国起步较晚，在社会转型过程中，如何规范、控制行政自由裁量权，使行政自由裁量权的运行能够符合社会主义市场经济的需要，更好地为现代化建设服务，在我们这个缺乏法治传统的国家尤其具有现实意义。

CCTV once was heated up had sowed female employee of a quit working, to make a society better, die technically to a few sanitation horn, social the seamy side undertakes filming exposuring, rush about in her effort under, send out the rubbish with effluvial chiliad is cleared very quickly, a few unhealthy tendency be able to picket.

大家也许还记得，央视曾经热播过一个退职女员工，为使社会更美好，专门对一些卫生死角，社会阴暗面进行拍摄暴光，在她的努力奔波之下，散发千年恶臭的垃圾很快被清理，一些不正之风得以纠察。

Cold -- temperature is elevatory, can make respiration enhances kind of seed, affect the character of kind of seed and gemmiparous rate directly, had better be in 2, save below the condition of 3 ℃, can reduce the respiration of kind of seed, maintain kind of seed to have longer vitality thereby.

冷——温度升高，会使种籽呼吸作用增强，直接影响种籽的品质和发芽率，最好在2—3℃的条件下保存，可降低种籽的呼吸作用，从而保持种籽有较长的生命力。

DARPA's Bio-Revolution thrust has four broad elements:?? Protecting Human Assets refers to the Biological Warfare Defense work mentioned earlier.?? Enhanced System Performance work is developing new systems with the autonomy and adaptability of living things by developing biologically inspired materials, processes, and devices embodied in systems such as biorobotics.?? Enhanced Human Performance is aimed at preventing humans from becoming the weakest link in the U.S. military by exploiting the life sciences to make the individual warfighter stronger, more alert, more endurant, and better able to heal.??

DARPA的生物革命突破具备四个广泛的要素*保护人类财产指的是先前提出的生物防御工作*提升系统性能指的是通过发展生物材料、过程和装置，形成诸如生物机器人的一体化系统来发展具有自主性的生存适应能力的新型系统*加强人类表现旨在通过探索生命科学使个人武器更强大、更灵敏、更持久、更容易修复，以防止人成为美国军队中最弱的一环。

The db4o enhancer tools will add code to your persistent classes to make them work even better with db4o.

db4o扩展工具可以添加代码到你的持久化类里，从而使他们在db4o上工作的更好。

Adopt long-term education practice, pass fascinating exordial tax, use dug type education to be dominant, establish multilateral and interactive education mechanism, use all sorts of teaching methods and method neatly, strengthen at ordinary times assessment and carry out affection education to wait from beginning to end in whole education process, because of when, because of situation, make appropriate because of the person, obtained better result.

通过长期的教学实践，通过引人入胜的绪论课，采用探究式教学为主导，建立多边互动的教学机制，灵活应用各种教学方法和手段，加强平时考核及在整个教学过程中始终贯彻情感教育等，因时、因势、因人制宜，取得了较好的成效。

Then we design the position controller.P-PI position controller and IP position controller are designed by engineering design plan.By comparing, the exoterical analysis and simulation results show that use P-PI position controller can make the output on the trail of the input of the step signal better.

然后，采用工程设计法设计了P-PI位置控制器和IP位置控制器，并对两者的伺服性能进行了比较，理论分析和仿真结果显示，使用P-PI位置伺服控制器，输出能更好的跟踪阶跃信号。

You will do far better long term if you can make a concentrated effort of learning and research in one key area rather than flitting from this to that.

你会做的好得多，如果你能长期集中精力学习和研究的一个重要领域，而非醇醚从这一点。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。