at rest 靜止
The natural state of a body was to be at rest
Laws of motion 運(yùn)動(dòng)定律矩肩,即Newton's law of motion
be proportional to與……成比例蛾方,正比于
elliptical
ADJ Something that is elliptical has the shape of an ellipse. 橢圓形的
例:...the moon's elliptical orbit.
...月球的橢圓形軌道。
2.ADJ Elliptical references to something are indirect rather than clear. 隱晦的
例:...elliptical references to problems best not aired in public.
...最好不要公開(kāi)的對(duì)問(wèn)題的隱晦提及。
With respect to 關(guān)于
Body A was at rest and body B was moving at constant speed with respect to body A!or that.....
Millionth
ORD The millionth item in a series is the one you count as number one million. 第一百萬(wàn)的
例:Last year the millionth truck rolled off the assembly line.
去年麦向,第100萬(wàn)輛卡車駛下了裝配線出爹。
2.FRACTION A millionth of something is one of a million equal parts of it. 百萬(wàn)分之一的
例:The bomb must explode within less than a millionth of a second.
那枚炸彈必須在百萬(wàn)分之一秒內(nèi)爆炸。
Hitherto 迄今
adv.1.used in negative statement to describe a situation that has existed up to this point or up to the present time
Give the credit for 稱贊
Einstein is usually given the credit for the new theory.
Postulate
If you postulate something, you suggest it as the basis for a theory, argument, or calculation, or assume that it is the basis. 假定
A Pulse of light 光脈沖
Velocity
N-VAR Velocity is the speed at which something moves in a particular direction. (沿某一方向運(yùn)動(dòng)的) 速度
例:...the velocities at which the stars orbit.
…恒星繞軌道運(yùn)行的速度核畴。
Cesium clock
【電子學(xué)】銫原子鐘,銫鐘(利用元素銫的原子振動(dòng)頻率量度時(shí)間的原子鐘)
Platinum
N-UNCOUNT Platinum is a very valuable, silvery-grey metal. It is often used for making jewellery. 鉑; 白金
Coordinate
N-COUNT The coordinates of a point on a map or graph are the two sets of numbers or letters that you need in order to find that point. 坐標(biāo)
例:Can you give me your coordinates?
能給我你的坐標(biāo)嗎冲九?
One can describe the position of a point n space by three numbers,or coordinates
Patch
N-COUNT A patch on a surface is a part of it that is different in appearance from the area around it. (與周圍不同的) 塊; 片
例:...the bald patch on the top of his head.
…他頭頂上那塊禿斑谤草。
例:There was a small patch of blue in the grey clouds.
烏云中透著一小塊藍(lán)天。
2.N-COUNT A patch of land is a small area of land where a particular plant or crop grows. 小塊田地
例:...a patch of land covered in forest.
…一塊長(zhǎng)著樹(shù)林的田地娘侍。
例:...the little vegetable patch in her backyard.
…在她后院的小塊菜地咖刃。
3.N-COUNT A patch is a piece of material that you use to cover a hole in something. 補(bǔ)丁
例:...jackets with patches on the elbows.
…肘部打著補(bǔ)丁的夾克。
4.N-COUNT A patch is a small piece of material that you wear to cover an injured eye. (保護(hù)受傷眼睛的) 眼罩
例:She went to the hospital and found him lying down with a patch over his eye.
她去醫(yī)院看見(jiàn)他躺著憾筏,眼睛上蒙著眼罩。
5.V-T If you patch something that has a hole in it, you repair it by fastening a patch over the hole. 打補(bǔ)丁
例:He and Walker patched the barn roof.
他和沃克修補(bǔ)了那個(gè)谷倉(cāng)的頂花鹅。
例:One of the mechanics took off the damaged tyre, and took it back to the station to be patched.
其中一個(gè)機(jī)械師取下受損輪胎氧腰,把它拿到站里修補(bǔ)。
6.N-COUNT A patch is a piece of computer program code written as a temporary solution for dealing with a computer virus and distributed by the makers of the original program. (對(duì)付計(jì)算機(jī)病毒的) 補(bǔ)丁
例:Older machines will need a software patch to correct the date.
舊的機(jī)器需要軟件補(bǔ)丁來(lái)修正日期刨肃。
7.PHRASE If you have or go through a rough patch, you have a lot of problems for a time. 一段艱難時(shí)期
例:His marriage was going through a rough patch.
他的婚姻正處于一段艱難時(shí)期古拴。
A collection of overlapping patches
Radius
N-SING The radius around a particular point is the distance from it in any direction. 范圍
例:Nick has searched for work in a ten-mile radius around his home.
尼克已經(jīng)在以家為中心10英里的范圍內(nèi)尋找工作。
2.N-COUNT The radius of a circle is the distance from its centre to its outside edge. 半徑
例:He indicated a semicircle with a radius of about thirty miles.
他標(biāo)示出一個(gè)半徑大約三十英里的半圓真友。
Stack N&V 一摞黄痪,一堆/摞起,堆起
Snapshot
N-COUNT A snapshot is a photograph that is taken quickly and casually. 快照
例:Let me take a snapshot of you guys, so friends back home can see you.
讓我給你們大家拍張快照盔然,這樣家里的朋友們可以看到你們桅打。
2.N-COUNT If something provides you with a snapshot of a place or situation, it gives you a brief idea of what that place or situation is like. 簡(jiǎn)況; 大致印象
例:The interviews present a remarkable snapshot of Britain in these dark days of recession.
這些訪談深刻地展現(xiàn)了英國(guó)在黑暗的經(jīng)濟(jì)大蕭條時(shí)期的點(diǎn)滴情況。
If one stacks snapshots of the ripples at different times one above the other....
cone 圓錐體愈案,圓錐形
Geodesic
1.ADJ relating to or involving the geometry of curved surfaces 曲面幾何學(xué)的 (See also geodetic, geodesical)
2.N the shortest line between two points on a curved or plane surface 短程線 (Also called geodesic line)
Elongated orbit 被拉長(zhǎng)的軌道
Deviation偏差 偏離
Light deflection 光線偏折
In progress
在進(jìn)行中挺尾;在進(jìn)展中;正在發(fā)生站绪;正在辦理遭铺;正在執(zhí)行;還沒(méi)有完的
The first word war was in progress
時(shí)間和空間恢准,是一直以來(lái)人類的難題魂挂。很難想象,像牛頓馁筐、愛(ài)因斯坦這樣的科學(xué)家是如何突破思維的慣性涂召,找到突破口,成功帶領(lǐng)我們走入一個(gè)無(wú)法看見(jiàn)的世界眯漩。這個(gè)世界一直以來(lái)就在吸引著我們芹扭,因?yàn)閷?duì)時(shí)間麻顶,人類有太多欲望。想要回到過(guò)去舱卡,想要扭轉(zhuǎn)過(guò)去辅肾,甚至想要預(yù)測(cè)未來(lái)。轮锥。矫钓。然而相對(duì)論告訴我們,即使是超過(guò)光速就能回到過(guò)去舍杜,那也不是我們看見(jiàn)的過(guò)去新娜。能改變的從來(lái)不是時(shí)間,只是我們對(duì)時(shí)間的概念而已既绩。時(shí)間的一維性作為真理概龄,顛撲不破。但是由于這本書(shū)饲握,我擺脫了對(duì)時(shí)間的執(zhí)念私杜,不再糾結(jié)分秒,因?yàn)槭聦?shí)上救欧,每個(gè)人的時(shí)間都是不一樣的衰粹,哪怕我們的鐘表都指向同一個(gè)點(diǎn)。