SAT数学相关词汇 第4课
1/20
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- 释义：
- 十位
- 例句：
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Tens of thousands of men, year after year, have travelled southwards to find work.
每年有数万人到南方去找工作. 换一句 -
There are tens of million stamp hobbyists across the country.
全国有数千万邮票爱好者. 换一句 -
They require massive complicated particle detectors weighing tens or hundreds of tons.
它们需要规模巨大的、复杂的粒子探测器,其重量达几十吨、几百吨. 换一句
您还可以临摹下单词：
tens
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3/20
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4/20
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- 释义：
- 中数
- 构词：
- medi中间+an表名词和形容词→adj.中间的 n.[三角形]中线
- 例句：
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Where the speed distribution is skew, it's better to quote the median speed.
在速度分布是扭曲的情况下, 最好用中值速度. 换一句 -
One half of its values will be found below and one half above the median.
一半数值低于中位数,一半数值高于中位数. 换一句 -
The median interval between onset of symptoms and diagnosis was three months.
3例有家族史,且均为姊妹配对. 换一句
您还可以临摹下单词：
median
5/20
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- 释义：
- 近似
- 构词：
- ap不断+proxim接近,靠近+ate表动词→v.[to]接近
- 例句：
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The Prime Minister has made a statement closely approximate to a falsehood.
首相发表了一项几近谎言的声明. 换一句 -
The builder gave an approximate cost for fixing the roof.
房屋修建商给修理房顶粗略地估计了一个价钱. 换一句 -
The approximate date of his departure is next month.
他大约在下个月动身. 换一句
您还可以临摹下单词：
approximate
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7/20
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8/20
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9/20
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10/20
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- 释义：
- 括号
- 例句：
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Answer these questions, using the words in parentheses. Put the apostrophe in the right place.
用句后括号中的词或词组来回答问题, 注意撇号的位置. 换一句 -
When you make a mistake, cross it out; don't use parentheses.
当你写错时, 把它划掉, 不要用括号括起来. 换一句 -
These are Parentheses , Square brackets, Angle brackets and Brace.
括号有小括号 、 中括号 、 角括号和大括号. 换一句
您还可以临摹下单词：
parentheses
11/20
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- 释义：
- 比例
- 构词：
- pro多+port部分,分开+ion→多个部分,每部分占用一定比例
- 例句：
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When you're angry you don't always see things in proportion.
人生气时往往不按情理看事情. 换一句 -
His head is out of proportion to the size of his body.
他的头部与身体大小不成比例. 换一句 -
The proportion of imports to exports is worrying the government.
进口与出口的比例令政府担忧. 换一句
您还可以临摹下单词：
proportion
12/20
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13/20
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- 释义：
- 组合
- 构词：
- combine联合+ation行为,过程,结果→n.结合,联合;化合;团体;组合数码
- 例句：
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He carried on the business in combination with his friends.
他与朋友们合伙做生意. 换一句 -
The materials can be used singly or in combination.
这些材料可以单独使用也可以混合用. 换一句 -
The orchestra played with a winning combination of gusto and precision.
这个管弦乐队在演奏热情与精确性之间达到了水乳交融的境界. 换一句
您还可以临摹下单词：
combination
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15/20
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- 释义：
- 三角函数
- 例句：
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Capability to recognize and read drawings. The knowledge of trigonometric function solid angle is required.
有读图能力,对空间立体角及三角函数能够理解及运用. 换一句 -
The main purpose of study is the application of the image and character of trigonometric function.
课题主要研究的是信息技术在三角函数的图象与性质中的应用. 换一句
您还可以临摹下单词：
trigonometric function
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17/20
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- 释义：
- 圆心角
- 例句：
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When the central angle is increased, the torsional effect and the transversaldisplacement is obvious.
当圆心角较大时,上部结构的扭转效应和横桥向位移均较大. 换一句 -
Obtain the different central ray projection angle and X - ray exposure factor.
得到不同的中心线投射角度及 X 线曝射参数. 换一句 -
Radiation angle and central deviation is important parameters of an X - ray directional flaw detector.
辐射角及中心偏移,是定向 X 射线探伤仪的重要技术指标. 换一句
您还可以临摹下单词：
central angle
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19/20
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20/20
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- 释义：
- 周角
- 例句：
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Do you know the degree of the round angle?
你知道周角的度数 吗 ? 换一句 -
By using small angle rolling, we can erase round head of plate and increase economic benefits.
采用微角轧制法可以消除钢板圆头,减少切损,增加经济效益. 换一句 -
You control the angle and speed, you have to complete the round - the - world dream of it.
控制你的角度与速度, 来完成你环游世界的梦想吧. 换一句
您还可以临摹下单词：
round angle
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