haʊˈɛvɚ, ðə ɹˈæpɪd dɪvˈɛləpmənt ʌvðə nˈuː dʒˌɛnɚɹˈeɪʃən mˈeɪn bˈæɾəl tˈæŋks ˌɛmbˌiːtˌiːˈɛs ɪnðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd sˈɪksti z pˈoʊzd nˈuː θɹˈɛts tə ðə pˌiːˌɛlˈeɪ, wˌɪtʃ wʌz lˈeɪɾɚ pɹˈuːvən ɪnðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti nˈaɪn sˈiːnoʊsˈoʊviət bˈoːɹdɚ kˈɑːnflɪkt.
However, the rapid development of the new generation main battle tanks (MBTs) in the early 1960s posed new threats to the PLA, which was later proven in the 1969 Sino-Soviet border conflict.