根据一种假设，这颗行星的重力场会对由尘埃和气体组成的原行星盘产生牵引力。
According to one hypothesis, the planet's gravitational field tugs on the protoplanetary disk of dust and gas from which it formed.
由于巷道掘进破坏了原岩地应力场，使围岩应力重新分布，应力集中区的高应力造成巷道变形破坏。
Because the natural stress field is changed due to tunneling roadway, a stress concentration area appears in rock of surrounding roadway that cause roadway deformation or destruction.
文中也讨论了构造应力场的影响，区分了自重应力场和构造应力场各自在原岩应力场中所起的作用。
The paper also explored the effects of the tectonic stress field and separated the individual role of the gravity stress and the tectonic stress from in - situ shess field.
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