交替发生

But within these limits a tectonic shift is taking place between the United States and China with third parties reorienting themselves toward the source of positive impulses.

但在这一局限之内，中美之间的地位正在发生结构性的交替，第三方也在随着积极能动的脉搏重新调整自己的位置。

Ergative verbs involve causative and inchoative alternations.

会发生使动与起动交替现象的动词称为「作格动词」。

A good effect of prevention and cure can be obtained by management ,cleaning up soil and applying 3-5°Be lime sulfur in winter,or applying 1% of Bordeauy mixture in period of leaf opening ,or applying 0.3-0.5°Be lime sulfur,15% of triadimefon WP and thiophanate-methyl thiram 50WP Diluted 1500 times alternatively.

初春展叶后施 1%等量式波尔多液；病害发生期，交替施用0 。3- 0 。5 Be石硫合剂，15 %粉锈宁WP和扑菌特WP15 0 0倍液，间隔期 7- 10d ，可取得良好的防治效果。

These parameters did not differ from each other in figleaf gourd"s two treatments. The root temperature of 14℃didn"t induce significant changes in the total respiration rate in both species but caused an increase of the alternative respiration pathway and a decrease of the cytochrome respiration pathway, and more dead cells in root tips in cold-sensitive cucumber roots.

低温条件下，黄瓜的生长明显差于黑籽南瓜，同时根系表现出更高的超氧化物阴离子O_2~(·-产生速率、过氧化氢(H_2O_2)与膜脂过氧化产物丙二醛含量以及抗氧化酶活性。14℃根温并未引起两种作物根系的总呼吸速率发生变化，但却引起黄瓜根系的交替途径呼吸速率与细胞色素途径呼吸速率的显著变化，表现为低温下Valt的上调而Vcyt的下降。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失