1、reaction times test

reaction times test發(fā)音

英：　　美：

reaction times test中文意思翻譯

常見(jiàn)釋義：

反應時(shí)間試驗

reaction times test雙語(yǔ)使用場(chǎng)景

1、PC World points out a web-based reaction test that can actually be used to measure response times between wired and wireless mice.───微電腦世界》指出一個(gè)網(wǎng)頁(yè)版反應測試，可以真正用來(lái)測量有線(xiàn)和無(wú)線(xiàn)鼠標的反應時(shí)間。

2、In this test, soldiers who have been traumatized undergo a coordination study that assesses their vision and reaction times.───在這項檢查中，醫生要對受傷士兵進(jìn)行協(xié)調研究，評估他們的視力和反應速度。

3、included a 10-minute "Psychomotor Vigilance Test" that monitors attentiveness and reaction times.───分鐘的神經(jīng)行為測試以檢測其精神警覺(jué)性和清醒程度，其中包括10分鐘的精神警惕性實(shí)驗（檢測注意力和反應時(shí)間）。

reaction times test相似詞語(yǔ)短語(yǔ)

1、unfailing reaction───經(jīng)久不衰的反應

2、times───v.乘以（time的第三人稱(chēng)單數）；n.（用于比較）倍（time的復數）；prep.乘以

3、reaction───n.反應，感應；反動(dòng)，復古；反作用

4、reaction time test───[醫]反應時(shí)間試驗

5、natural reaction───自然反應

6、reaction test───反動(dòng)力試驗，反應試驗

7、reaction times───反應時(shí)間（reactiontime的復數）

8、mixed reaction───[經(jīng)] 意見(jiàn)不一；各種不同反應

9、cationization reaction───陽(yáng)離子化反應

2、c#byte數組高效復制怎么做

在日常編程過(guò)程中，我們可能經(jīng)常需要Copy各種數組，一般來(lái)說(shuō)有以下幾種常見(jiàn)的方法：Array.Copy，IList.Copy，BinaryReader.ReadBytes，Buffer.BlockCopy,以及System.Buffer.memcpyimpl，由于最后一種需要使用指針，所以本文不引入該方法。

本次測試，使用以上前4種方法，各運行1000萬(wàn)次，觀(guān)察結果。

using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.IO;

namespace BenchmarkCopyArray

{

class Program

{

private const int TestTimes = 10000000;

static void Main()

{

var testArrayCopy = new TestArrayCopy();

TestCopy(testArrayCopy.TestBinaryReader, "Binary.ReadBytes");

TestCopy(testArrayCopy.TestConvertToList, "ConvertToList");

TestCopy(testArrayCopy.TestArrayDotCopy, "Array.Copy");

TestCopy(testArrayCopy.TestBlockCopy, "Buffer.BlockCopy");

Console.Read();

}

private static void TestCopy(Action testMethod, string methodName)

{

var stopWatch = new Stopwatch();

stopWatch.Start();

for (int i = 0; i < TestTimes; i++)

{

testMethod();

}

testMethod();

stopWatch.Stop();

Console.WriteLine("{0}: {1} seconds, {2}.", methodName, stopWatch.Elapsed.Seconds, stopWatch.Elapsed.Milliseconds);

}

}

class TestArrayCopy

{

private readonly byte[] _sourceBytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

public void TestBinaryReader()

{

var binaryReader = new BinaryReader(new MemoryStream(_sourceBytes));

binaryReader.ReadBytes(_sourceBytes.Length);

}

public void TestConvertToList()

{

IList bytesSourceList = new List(_sourceBytes);

var bytesNew = new byte[_sourceBytes.Length];

bytesSourceList.CopyTo(bytesNew, 0);

}

public void TestArrayDotCopy()

{

var bytesNew = new byte[_sourceBytes.Length];

Array.Copy(_sourceBytes, 0, bytesNew, 0, _sourceBytes.Length);

}

public void TestBlockCopy()

{

var bytesNew = new byte[_sourceBytes.Length];

Buffer.BlockCopy(_sourceBytes, 0, bytesNew, 0, _sourceBytes.Length);

}

}

}