1. The midgut gland cell differentiation occurs at Z2. There are 4 types of cells, i. e. , embryonic cell (E-cell), fibrillar cell (F-cell), blister cell (B-cell) and resorptive cell(R-cell). 中肠腺小管上皮在Z2期细胞已有了分化，由4类细胞组成，即胚细胞（E细胞）、纤维细胞（F细胞）、泡状细胞（B细胞）和吸收细胞（R细胞）。
2. The effects of soil property, especially the amount of soil organic carbon, on irreversible adsorption of pesticides were observed in the study of irreversible sorption of Azin. 利用土壤柱液相色谱多级吸附/脱附法研究了保棉磷、敌草隆、莠去津和扑草净在土壤中的不可逆吸附及其影响因素。
3. The effects of soil property, especially the amount of soil organic carbon, on irreversible adsorption of pesticides were observed in the study of irreversible sorption of Azin. 利用土壤柱液相色谱多级吸附/脱附法研究了保棉磷、敌草隆、莠去津和扑草净在土壤中的不可逆吸附及其影响因素。
4. The mature archegonia contained neck cell, ventralcanal cell and egg cell, but neck cell and ventralcanal cell has degenerated. 成熟的颈卵器含有颈细胞、腹沟细胞和卵细胞，但颈细胞和腹沟细胞已经退化。
5. The mature archegonia contained neck cell, ventralcanal cell and egg cell, but neck cell and ventralcanal cell has degenerated. 成熟的颈卵器含有颈细胞、腹沟细胞和卵细胞，但颈细胞和腹沟细胞已经退化。
