Military personnel are due to test an initial batch of 15 of these triangulation arrays next month.

军事人员将于下个月测试首批 15 个三角测量阵列。

When Eric Seufert brewed a test batch of beer in 2017 with water from recycled sewage, he was not too concerned about the outcome.

当艾瑞克·赛弗特在2017年用再利用的水酿造了一批测试啤酒时，他并不太担心结果。