It has been pointed out that the spherical excavation is superior in property of spacemechanics.
文中指出，球形硐室具有较优越的空间力学性能。
2
The idea is tied to quantum mechanics, which predicts that even in the vacuum of space, particles are constantly winking in and out of existence, generating energy.
这个理论附属于量子力学，预示着即便在空间真空中粒子仍快速出现、消失，并由此产生能量。
3
According to quantum mechanics, empty space is anything but empty. Rather, it is a roiling, seething cauldron of evanescent particles.