问世

The fault diagnosis expert system using the artificial intelligence technology is the progressing tiend of equipment fault diagnosis, however, as typography being so complex, there are still many uncertain and incomprehensive factors that hide the establishing of expert system. So far, there is still no report of Printing Machine Fault Diagnosis Expert System.

利用人工智能技术的故障诊断专家系统是设备故障诊断的发展方向，但由于印刷工艺的复杂性，有许多不精确、不完全了解的因素致使专家系统的建立有较大困难，至今尚未见到印刷机故障诊断专家系统(Printing machine Fault Diagnosis Expert System，PMFDES)的问世。

Since the 1980s, because of the indigence of mineral resources, the ever-increasing need for the steel, and protecting the environment, we need better quality of iron concentrate and the lowness of the energy consumption and chemical regents, a new set of equipment of magnetic separation appeared.

自八十年代以来，随着矿产资源的日益贫化以及人类对钢铁需求量的不断扩大，加之环保要求，人们对高炉冶炼入炉的铁精矿品位要求越来越高，由于磁选能耗低，不需要价格昂贵的药剂，一大批新型磁选设备相继问世。

Inez strikes up an affair with Don Alfonso, and in turn Alfonso's 23 y/o lovely wife eyes the 16 y/o Don Juan.

恰尔德。哈洛尔德游记》的第一、二章在1812年2月问世，轰动了文坛，使拜伦一跃成为伦敦社交界的明星。

The calcalus learns is a mathematic branch connected closely with scientific application.Infinitesimal is an important componant in the theoretical system and has an outstanding effect on the forming of the basis and conception of the theory. infinitesimal ; calculus ; the calculus learns ; differential calculus ; integral calculus

引 言微积分学是建立在实数、函数和极限理论基础上，研究函数微分、积分以及有关概念与应用的数学分支。17世纪精密科学的飞速发展，天文学、力学、光学、工业技术要求数学彻底革新，导致了无穷小概念的问世，促使费马增量理论开创微分学的先河，同时奠定了柯西的极限理论。

Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysts, inspissation and crystallization, if we use phosphorus trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can reduce the cost and save energy.

草甘膦是一种高效、广谱的灭生性除草剂，尽管已问世30多年，但由于其卓越的除草性能和不断扩展的应用领域，使其在世界农药市场上和研究领域一直独领风骚，迄今为止已报道了十余种不同合成路线和上百种不同的工艺方法。

In the late 1980s, the high quality analog optical disk became a reality. This looked like the ideal archive with real-time, on-line recording, random access and instant replay of archived studies.

在80年代后期，高质量模拟光盘问世，它有希望成为能实时在线记录，随机存取和即时播放归档病历资料的理想的档案库。

Results All the 6 patients with PAP presented ground-glass opacities with well-defined margins on MSCT'creating "geographic" pattern'reflected the effusion of proteinaceous material within the alveoli in PAP.Thickened interlobular septa'looking as the "crazy-paving"'was found in 4 cases in high-resolution CT'correspondence with edema and lymphocyte exudation in interlobular septa in pathological findings.

多层CT的问世，使单次屏气时间内完成高质量的全肺薄层扫描成为现实，极大提高了图像的时间和空间分辨率，胸部高分辨率CT还能清晰显示次级肺小叶为单位的肺内细微结构，极大提高了CT在肺部疾病诊断中的应用价值。

Jet lag jet 会使人们想到jet plane,lag是指"延迟的时间",在技术上称为"时滞"或"滞后".jet lag =jet fatigue=jet syndrome anthur j.snidir在the rhythm of life对jet syndrome的解释是:symptoms of biorhythm upset,known popularly as the jet syndrome,are experienced by jet airplane travellers who fly through several time zones in 12 hours or less.the local time between their place of departure and their destination may differ by 5,6,or even as much as 10hours.

jet lag是随着喷气式飞机的问世，乘喷气式客机旅行的人越来越多的情况而出现的。jet lag不是什么喷气时滞，而是人们在乘坐喷气式飞机旅行时由于时差的关系而引起不适应目的地昼夜变化的一种疲劳和烦躁的现象。

Taking German and Austrian composers as examples, there were seven pieces of piano quartet works in total until the time of Johannes Brahms; through the transformation and development of a hundred years, piano quartet had become another kind of classic quartet genre besides string quartet.

横跨十八世纪，直至莫札特两首作品的问世，钢琴四重奏才开始有了音乐史上象徵指标性的作品，以德奥作曲家为例，到布拉姆斯为止，共有七首钢琴四重奏作品，历经百年的蜕变和发展使其成为弦乐四重奏之外另一种四重奏经典乐种。

Early flash memory-based machines such as the Tandy 200 and the Hewlett-Packard Jornada came and went, leaving a gap.

早期基于闪存芯片的电脑——比如Tandy 200以及惠普(Hewlett-Packard)的Jornada——问世一段时间后就退出了市场，因而留出了一块空白。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。