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61. Based on the microwave network theory, the mathematical model of dipole in the array is set up in this paper. The relationship between F1 and F2 is derived.

62. We spoke to your team principal Ross brown earlier this morning, and he said this is a top-level F1 business with some extremely talented people, very good drivers and marvelous facilities.

63. 'Lubaoshi'is a new summer squash F1 hybrid developed by crossing mosaic leaf summer squash inbred line 94011 as female parent with dark green skin summer squash inbred line 94001 as male parent.