Second, the Nguyễn were able to take advantage of their contacts with the Europeans, specifically the Portuguese, to purchase advanced European weapons and hire European military experts in fortifications.
其次，阮氏在他們與歐洲人、尤其是葡萄牙人的接觸中獲益，得以購置較先進的歐洲軍備，在城防中雇傭歐洲的軍事專家。