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Abstract: The adding and spelling of suffix to words in English ha ve their re gular features and rules.In some cases,there are changes in roots of words.Inot her cases,there are changes in suffixes.It is necessary for English learners to know these rules
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文摘:英语后缀的添加与拼写有其特点与规则，某种情况下，词根部分要发生变化，某种情况下，后缀部分要发生变化，这就需要学习者一一掌握，才能准确、有效地掌握词汇，从而达到举一反三的效果. |
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Abstract: The advances in stealth-aircraft technology overseas are reviewed in detail.The principal features of ultra-wideband impulse radar and its important applications in counter-stealth systems are also investigated.
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文摘:综述了当前国外飞机隐形技术的发展状况，分析了超宽带冲击雷达的主要特点和在反隐形技术上的应用研究状况。 |
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Abstract: The advances of recent researches in macromolecular drug(peptide, protein, etc.) trandermal deliveries were thoroughly reviewed.
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文摘:对多肽、蛋白质等生物大分子的经皮给药研究的最新进展进行综述。 |
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Abstract: The advantage of the gear axis with cold extrusion technology replacing metal cutting working production are narrated, and the technological analysis for the gear axis part is conducted.
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文摘:叙述了采用冷挤压工艺代替切削加工生产齿轮轴的优点，并对齿轮轴零件进行了工艺分析。 |
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Abstract: The aero inner communicators are main equipments of airplanes.
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摘要：××系列机内通话器是装备我国××系列飞机的主要设备。 |
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Abstract: The affects of crystal absorption for heat radiation on crystal growth,which include:the heat loss of the hot grower,the chara-cteristic of temperature-time of crystal growth,the pattern of fluid flow and the shape of interface,the interface inv
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文摘:本文综述了晶体对熔体热辐射吸收对晶体生长的影响，包括对热腔热耗散的影响；对晶体生长温度时间特性的影响；对液流形态和固液界面形状的影响；对晶体界面反转的影响；对晶体中温度分布和应力分布的影响。 |
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Abstract: The agricultural cultivated land types are of connected relationship.The evaluation and development of dike field, terrace and sloping field is a developing course from high to low, their benefits have characters from simple to complicatedness a
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文摘:黄土丘陵沟壑区农耕地类型具有裙带关系，从沟坝地、梯田和坡耕地的演化与发展来看，具有从高位到低位的时空演化过程，其效益具有由简单到复杂，由单项到综合的迁变过程。 |
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Abstract: The algorithms for nondestructive testing of wire ropes arediscussed and summarized.
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文摘:对应用于钢丝绳无损检测仪器中的算法进行了一些探讨和总结。 |
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Abstract: The allylation reactions of hydrates of α- keto aldehydes and glyoxylates by diallyltin dibromo were carried out in water to give α- keto and α- ester homoallylic alcohols in good to excellent yields.
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文摘:在水相中,α-羰基水合醛及水合醛酯与二溴二烯丙基锡作用可较高产率地生成α-羰基和α-酯基高烯丙基醇. |
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Abstract: The analysis and study on the false waste products in calculating the procedure dimension are made,and a practical method to judge the false waste products is proposed.
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文摘:对工序尺寸换算中的“假废品”问题进行了分析、研究，并提出了一种切实可行的判别假废品的方法。 |
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Abstract: The analysis of the mechanical and pneumatic control systems of scutcher machines is studied in this paper,a hydraulic control system with electro-hydraulic proportional valve to regulate the force imposed on the cotton lap is proposed.It can im
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文摘:在分析了机械式和气动成卷机成卷压力控制系统的基础上,提出了一种采用电液比例控制技术的成卷机控制系统.它不仅可以提高成卷质量,而且可以简化系统设计,降低成本,是一种有希望的成卷机成卷压力控制系统. |
