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hf的意思
1、abbr.half 半;hard firm 坚硬（铅笔芯）;hard finish(ed) 缓硬的;hard-faced 表面硬化的;
hf的近义词
1、hafnium n.铪;
2、high frequency n.高频率，频繁出现;
hf的双语例句
1、Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.
已知在液态HF中,也能说明两性行为溶剂分解或络合物形成作用的反应.
2、HF inhaled in high concentrations may cause glottitis ( obstruction of the airway ) and acute pulmonary edema.
吸入高浓度 HF 会导致喉道阻塞和急性肺水肿.
3、HF has a pungent odor. It is extremely corrosive.
HF有一种刺激性气味. 它是极强的腐蚀剂.
4、HF ( the strongest acid ) has the weakest conjugate base.
HF 是最强的酸,它有最弱的共轭碱.
5、The biggest increase was on the cheapest model, the CRX-HF. That car had a 1990 base price of $9,145.
涨价最快的是最便宜的车型CRX-HF，那款车1990年的基价是9,145美元。
6、HF ultimately diffuses down to the troposphere where it is removed by wet deposition.
HF最终扩散到大气中,在大气中它通过湿沉积被除去.
7、Finally the structures were released in a 49 % HF etch.
最后在49%HF中腐蚀形成这些结构.
8、After returning to HF-HD for 4 months, all measured parameters returned to their respective baseline alles.
重新恢复到HF-HD四个月后, 所有指标恢复到各自的基线水平.
9、Silicon, semiconductor material , can form different configurations at anodic bias etching system in the HF electrolyte.
半导体硅在含HF电解液阳极氧化体系中可以形成不同的腐蚀形态.
10、Fluorine and hydrogen fluoride in a mixed gas, HF -- F _ 2 -- Ar ahd F _ 2 -- HF -- N _ 2, have been determined.
该仪器已用于HF-F_ 2-Ar和HF-F_2-N_2等混合气体中氟和氟化氢的测定.
11、Frequency domain: total frequency components ( TF ), low frequency components ( LF ), frequency components ( HF ).
频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).
12、We compared on-line hemofiltration to high-flux hemodialysis ( HF-HD ) in patients in a sequential manner.
我们在患者中以连续性方式比较了在线血液滤过和 高通量 血液透析 ( HF-HD ) 的疗效.
13、Frequency domain: total frequency components ( TF ), low frequency components ( LF ), high frequency components ( HF ).
频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).
14、Remove victim from source of HF fumes.
把受害人从HF烟雾源转移走.
15、HF company is a high-tech enterprise specializing in researching, developing, manufacturing and selling relays.
HF公司是一家专业从事继电器研究 、 开发 、 生产和销售的 高新技术 企业.
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