Based on the constructed model of the mass moment interception missile (MMIM), a coupled nonlinear system is presented by rational simplification in this paper.

针对大气层内的机动飞行目标，提出了一种可用于质量矩拦截器末制导段的比例制导律。

youdao

Turning back to China, Liberation Army Daily and the Beijing News report that China successfully carried out a land-based, mid-course missile interception test at an undisclosed location within its borders, but says the test did not target any country.

BBC: China round-up: Anti-corruption drive

After a failed test in January, the next try-out of the missile-interception system has been postponed until late June.

ECONOMIST: Anti-missile defence

The initial, boost phase is the best time for defenders to achieve interception, because the lofting missile is relatively easy to track and one hit may kill multiple warheads.

FORBES: Can U.S. Defenses Cope With North Korea's Missiles?