In order to discuss mechanism of rockburst failure in hard and brittle surrounding rock of circular underground cavern,a numerical and a physical model,which are 800mm long and 800mm broad and 200mm thick with a 160mm circular cavern,are made to simulate rockburst in hard and brittle surrounding rock under the same boundary and the same increasing load conditions.
为了探讨圆形地下洞室坚硬脆性围岩岩爆破坏机理,建立了长800mm×宽800mm×厚200mm的160mm圆形地下洞室的数值与物理模型,在相同边界条件与同步提高荷载的情况下模拟圆形洞室坚硬脆性围岩岩爆破坏。
Textural factors include hand feel and mouth feel of firmness, softness, juiciness, chewiness, grittiness.
质构要素包括手感和口感所体验到的坚硬度、柔软度、多汁度、咀嚼性、砂砾度等。
lacking firmness or stiffness.
缺少坚硬的特点或者硬度。
not brought to a proper consistency or hardness.
未使达到适当的坚固程度或硬度的。
Of, relating to, or resembling rock, especially in hardness; stony.
坚硬的，石质的岩石的，与岩石有关的，或岩石状的，特别指硬度方面；坚硬的
small East Indian tree having orchidlike flowers and hard dark wood.
东印度小型树种，花冠类似于兰花，坚硬的黑木。
took an uncompromising stance in the peace talks; uncompromising honesty.
在和平会谈中采取强硬的态度；坚定、忠诚。
Cooked by boiling in the shell to a solid consistency. Used of eggs.
煮老的带壳煮到固体般坚硬程度的。用于鸡蛋
STUDY OF CONTROL CAVING METHODS AND REASONABLE HANGING ROOF LENGTH ON HARD ROOF
坚硬顶板控制放顶方式及合理悬顶长度的研究
Research on Reasonable Hanging Arch Length of Hard Roof in Fully Mechanized Coal Mining Face
综采工作面坚硬顶板合理悬顶长度研究
as hard as steel
非常坚硬，坚强女口钢
a flinty manner; granitic morality; his unyielding mouth and glassy eyes- Marchette Chute.
坚定的态度；坚如磐石的道德；他坚硬的嘴巴和呆滞的目光——马切特·楚特。
To make or become tough.
使坚强使或变得坚强、强硬、强壮、坚韧
West Indian shrub or small tree having leathery saponaceous leaves and extremely hard wood.
西印度灌木或小树，有坚韧的圆滑的叶子和特别硬的木头。
any of several East Indian trees of the genus Calophyllum having shiny leathery leaves and lightweight hard wood.
胡桐属的几种东印度树的任意一种，叶片发光，似皮革，木质轻而坚硬。
Characteristics: The paint film made from this kind of resin is quick-drying, hard and hright, aslo resistant to water.
特点:用本树脂制得的漆膜干燥速度,漆膜坚硬,抗水,耐久,光亮.
Clear, low viscosity, one-component, rigid, heat cure epoxy system which exhibits high heat resistance.
透明的低粘度单组分加热固化环氧树脂，坚硬，高抗热性。
Lacquer becomes extremely hard But not Brittle on exposure to air and takes a high polish.
漆固化后表面非常坚硬暴露在空气中也不易碎,并可高度磨光。
East Indian timber tree with hard durable wood used especially for tea boxes.
一种东印度成材乔木，木质坚硬，经久耐用，尤其用来制作茶盒。