【摘 要】
：
随着生产的发展和人民生活水平的提高,录音机的使用越来越普遍。为使录音机在使用过程中少出故障,这里我们仅就目前使用最广泛的普及型盒式录音机简单加以介绍。
With the
论文部分内容阅读
随着生产的发展和人民生活水平的提高,录音机的使用越来越普遍。为使录音机在使用过程中少出故障,这里我们仅就目前使用最广泛的普及型盒式录音机简单加以介绍。
With the development of production and the improvement of people’s living standards, the use of sound recorders is becoming more and more common. To make the recorder less troublesome to use, here we will simply introduce the most widely used universal cassette recorder.
其他文献
在我国当前的集邮群体之中,我们必须关注两类人:一是老年集邮者,一是青年学生。集邮家之于集邮,是宝贵的财富,我们必须重视他们的贡献;青年学生之于集邮,则无疑是未来,我们必
“我爱这个工作,我这最后一口气,是在讲台上呼出去.”rn这铿锵有力的话语出自一位90岁的老人.今年,这位已经93岁的老人还为抗击新冠肺炎疫情捐款2万元.rn他叫叶连平,是我跟踪
Picrorhiza scrophulariiflora Pennell (P.scrophulariiflora) is widely used in the traditional Chinese medicine for the treatment of damp-heat dysentery, jaun
Traditional Chinese Medicine (TCM) represents an active, multi-disciplinary research area that often starts with isolation and identification of bioactive c
蒸】带{勒嘿蘸…麒姗撇物规姗翩筑t公S伪煞撇粼彝蒸】摹.滞公考黝樱蘸黝称刽留舒泌岁矛洲泻缸呼淞年湘劝格撇览洲硒招把么形筑舒脚冲叹剧跪沁卫叱淞汲粗猛二认叱漪喘淤鹦姗价
Momordica charantia, called bitter melon or bitter gourd, has been reported to have detoxification, hypoglycemic, antiviral, antidiabetic, and antitumor act
A HILIC-MS/MS method is developed to determine melamine and cyanuric acid in food contact products.Samples were extracted with H2O, 4% acetic acid, 10% etha
在第三十届中国新闻奖评选中,由新华社报送的《英雄无言——95岁老党员张富清的本色人生》获得文字通讯与深度报道类别一等奖.张富清是多年来少见的产生极大影响力的典型人物
中国与东盟各国农产品对日本出口的产品相似性指数及CAC指数的测算结果表明,双方相似性较高、竞争也较激烈,但对日本与东盟双(多)边EPA中农业条款的分析结果表明,日本对东盟
In this research, volatile oil of perillartine was extracted by home-made molecular distillation, and identified by GC-MS.Extraction was carried out at 90℃