问题
问答题 简答题
什么叫粘度？共有哪几中表示方法？
答案
参考答案：
粘度是液体燃料流动时所表现出来的内摩擦力。它共有三种表示方法⑴运动粘度（γ）。⑵动力粘度（μ）。（3）思氏粘度（Ｅ）。
搜题请搜索小程序“爱下问搜题”
什么叫粘度？共有哪几中表示方法？
参考答案：
粘度是液体燃料流动时所表现出来的内摩擦力。它共有三种表示方法⑴运动粘度（γ）。⑵动力粘度（μ）。（3）思氏粘度（Ｅ）。
When I was a small child，during the war，we were very poor and we lived in a faraway village.One day，on the road，I found the ____ pieces of a mirror.There was a motorcycle accident. I ____ to find all the pieces and put them ____，but it was not possible，so I used only the ___ piece and I made it round.I could ____ with it as a toy and became greatly attracted by the ____ that I could reflect light to dark places where the sun would never shine—in ____ holes and some other dark places.It became a game for me to ____ light into the darkest places I could find. I ____ the little mirror，and，as I grew up，I would take it out ____ I had nothing to do and ____ the game.As I became a man，I grew to realize that this was not ____ a child’s game but a metaphor(暗喻) for what I might ____ my life.I came to ____ that I am not the light or the source of light.But light—truth，understanding，knowledge—is there，and it will shine in many dark places ____ I reflect it. I am just a single piece of a mirror whose ____ design and shape I do not know.___，with what I have I can reflect light into the dark places of this ____—into the black places in the ____ of men—and change some things in some people.Perhaps others may see and do the same.This is what I am about.This is the ____ of my life.
|