在染色体横切面中，可见染色体中央有一低电子密度的无染色质区，该区内有大量RNP物质。
The central axial area of each chromatid is a low electronic density region or chromatin free compartment, in which there are lots of RNP.
研究表明，该病原体具有完整的细胞包膜，内部具有低电子密度拟核，在胞浆中以两种类型存在-繁殖型和静止型；
The results showed that the RLO with an integrated cell membrane and a nucleoid of low electronic density appeared in the cytoplasm .
在电子密度低的区域能观察到前质体的纤维丝。
Fine fibrils of proplastid were observed in electronic less dense region.
它的基质很少，多含有呈长梭形的、电子密度非常低的淀粉粒，并有一些电子密度较高的条带结构。
The amyloplast usually possessed a larger, very low electron density starch grain which mainly was long shuttle and there were some higher electron density partition or wedge structure in it.
它的基质很少，多含有呈长梭形的、电子密度非常低的淀粉粒，并有一些电子密度较高的条带结构。
The amyloplast usually possessed a larger, very low electron density starch grain which mainly was long shuttle and there were some higher electron density partition or wedge structure in it.
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