ðə bˈeɪsɪk aɪdˈiə ʌvðə dˈuːplɛks lˈoʊd ɪz tʊ ɪŋkɹˈiːs ðə nˈʌmbɚɹ ʌv pɹədʒˈɛktəlz fˈaɪɚd, wˌɪtʃ ɪz ðə pɹˈaɪmɚɹi dɪtˈɜːmɪnənt ʌv bˈæɾəlfˌiːld kˈæʒuːəlɾiz.
The basic idea of the duplex load is to increase the number of projectiles fired, which is the primary determinant of battlefield casualties.