The problem of dipole cloud′s effective scattering cross section while observed by a monostatic radar was studied.
研究了自由空间中半波偶极子云团对于单基地观测雷达的有效散射截面问题。
Zircaloy - 4 is generally used as fuel tubes in pressurized water reactors because of it " s low neutron absorption cross - section, excellent corrosion resistance, good strength and ductility".
由于锆4合金具有低的中子吸收截面，良好的抗腐蚀能力、高强度以及延展性好的特点，被广泛用于压水堆作为核燃料棒的包壳材料。
The flood combination of Dongting Lake′s outflow and Yangtze River main stream′s inflow affect heavily the water level of Chenglingji cross-section.
洞庭湖出流与长江干流来水流量的不同遭遇对城陵矶断面水位的影响非常显著。
It represents a geographic cross-section of the United States and also includes a pair of Canadian-based companies that sell much of their products to the U. S. market.
它代表了美国跨州的几个地区的家具企业，也包括工厂设在加拿大的两家企业，它们的许多产品是销往美国市场的。
The results indicate that the hydrate material in all samples collected from cross section is the preliminary stage′s hydrate products from coals, being of same characteristics;
结果表明：剖面中所有岩样中的烃类物质均为热解烃生成初期演化阶段的煤成烃产物，具明显的同一性；
Some problems are discussed in this paper which is"spale-restriction", "time-restriction"and"cross-section-restriction on the transuranium s limit".
本文讨论了超铀元素存在的“空间限制”、“时间限制”和“生成截面限制”。
Some problems are discussed in this paper which is"spale-restriction", "time-restriction"and"cross-section-restriction on the transuranium s limit".
本文讨论了超铀元素存在的“空间限制”、“时间限制”和“生成截面限制”。
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