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1·In this study, cytoplasmic male sterility of wild abortion (wa) was used as a facility in rice recurrent selection.

本研究是利用野败型细胞质雄性不育作为工具在水稻中进行轮回选择。

2·The problems in soybean recurrent selection were pointed out and the possible measures to overcome these problems were proposed.

并指出了大豆轮回选择中的问题及可能的解决途径。

3·Two inbred lines of maize, ZA5716 and ZA6192, with high combining ability and disease resistance, were obtained from a breeding population improved by recurrent selection.

从轮回选择法改良的玉米育种群体中，选育出了配合力高、抗病性强的玉米新自交系za5716和ZA6192。

4·When the same recurrent selection porgram was used in various population, the greater the coefficient of variation of the population, the greater the genetic progress it made.

不同群体采用同一种轮回选择方案，表现出变异程度大的群体，选择的遗传进展也大。

5·The study showed that plant height of improved tropical and subtropical maize germplasm was reduced more than 40%, harvest index was raised from 30% to 50% by recurrent selection.

研究结果表明，经过改良热带亚热带玉米种质的株高降低40 %以上，收获指数从30 %提高到5 0 %左右。

6·The same basic population C0 had been selected for four cycles with Dominant male sterile wheat by means of the half-sib mating recurrent selection and the mass recurrent selection programmes.

以显性雄性不育小麦为材料，采用改良半姊妹和混合轮回选择两种方案，对同一基础群体C_0进行了四轮选择。

7·Objective:To evaluate the clinical safety and efficiency of laparoscopic inguinal hernia repair (LIHR) for recurrent hernia, and to discuss the selection of procedures.

目的：评价腹腔镜技术治疗复发性腹股沟疝的安全性和有效性，讨论术式选择。

8·Conclusions Primary lacrimal epithelial tumors show variant types and high recurrent rate. The pathological features were decisive in diagnosis, selection of treatment and the time of follow-up.

结论三种常见原发性泪腺上皮性肿瘤复发率高，了解其病理表现对肿瘤的诊断、治疗方式的选择和随访时间的确定具有参考意义。