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The playing sound of guitar will persist a long time and provide chord tone when the natural frequency of guitar structure couples well with that of the strings.
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当琴身结构固有振动频率与琴弦振动频率耦合时 ,弦振声易产生声波持续时间长、且具有和弦音的效果 . |
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The playing sound of guitar will persist a long time and provide chord tone when the natural frequency of guitar structure couples well with that of the strings.
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当琴身结构固有振动频率与琴弦振动频率耦合时 ,弦振声易产生声波持续时间长、且具有和弦音的效果 |
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The plicae of mucosal, gland's distribution and the thickness of of muscularis are different in the different part of the digestive tract.
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粘膜上皮的皱褶程度、腺体分布情况、肌层的相对厚度等在消化道各部分也存在差异 |
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The plumber and copper concentrate with a grade of 0. and . %,it had value of resources reclamation.
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铅铜混合浮选精矿中,铅、铜品位分别达到 0.%和. %,具有极高的资源回收价值。 |
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The pmblem of cavalry in Qin Han Dynasty has always been the weak point in academic study thanks to lack of documents and arehaeogicalmaterials.
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关于秦汉骑兵的问题,过去由于缺乏文献和考古资料,一直是学术研究方面的一个薄弱环节。 |
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The point burn group′s disappearance rate of symptom and physical sign was 8.7%, the patchy burn group′s was 8.% (P>0.0).
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症状体征消失率:点灼法组与片灼法组的症状体征消失率分别为8.7%、8.%(P>0.0)。 |
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The pollen abortion of Euryale ferox Salisb.
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芡实(EuryaleferoxSalisb.)花粉的败育主要发生在小孢子母细胞减数分裂时期和小孢子单核期与二核期。 |
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The pollen grains of the genus are spheroidal, 8.9~ 9.7μm in diameter, usually -pores. The exine is -layers, .0~.μm in thick, and sexine thecker than nexine or almost equal. The ornamentation of exines are granulate, streaky and spinate.
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本属花粉粒扁球形,大小为8.9~ 9.7μm,通常具 孔,外壁厚.0~.μm,两层,外层厚于内层或两层几等厚,表面具颗粒状、小刺状或条脊状纹饰。 |
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The polyimides were found to be soluble in strong polar solvents when ,′ di( aminophenoxy)diphenylsulfone/,′ diamino diphenylether and ,′ di( aminophenoxy)diphenylsulfone/,′ diamino diphenylmethane molar ratios are 0∶0~ ∶7 and 0∶0~∶, respectively.
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当共缩聚二胺单体中,′-二(-氨基苯氧基)二苯砜/,′-二氨基二苯甲烷和,′-二(-氨基苯氧基)二苯砜/,′-二氨基二苯醚的摩尔比分别为0∶0~∶及0∶0~ ∶7时,所得聚酰亚胺可溶于强极性溶剂。 |
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The polysaccharides from Ulva pertusa Kjellm and Gelidium divaricatum Martens inhibited CoxB_ at the IC_(0) values of .9μg/mL and 7.8μg/mL,and SI values of >0. and respectively.
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孔石莼多糖、小石花菜多糖可明显抑制CoxB ,IC0分别为.9μg/mL和7.8μg/mL,SI分别为> 0.和。 |
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The population density of the marmot was .~./hm by fixed observation.
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灰旱獭定点观察密度为 .~ .只 /hm ; |