C语言头文件 <stdio.h> 中的 putchar(); 输出倒计时的每一个数字,每次输出完一个数字后,需要停顿1秒,可借助C语言头文件 <windows.h> 中的 Sleep(); 停顿一秒,(注意S需要大写,单位为毫秒,即 1000ms = 1s),最后再利用C语言头文件 <windows.h> 中的 system("cls"); 清除屏幕内容。源代码如下: 代码语...
使用了Sleep()函数用来延迟一下打印时间,Sleep()函数的参数的单位是ms,所以1000ms=1s。
微量元素和稀土元素采用美国Perkin Elmer公司生产的Elan9000型电感耦合等离子质谱仪(ICP-MS)测定。主量元素分析精度和准确度优于5%,微量、稀土元素分析精度和准确度优于10%,具体测试过程参见郭宇飞等[7]。 3. 地球化学特征 3.1 主量元素特征 江山宁国组底部灰岩主量及微量、稀土元素含量见表1和表2。样品CaO为...
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1.5 h at 70 °C. Finally, fatty acid methyl esters (Dr. Ehrenstorfer, Augsburg, Germany) were added to the QC sample as it cooled to room temperature. All samples were analyzed with a gas chromatography system coupled with a Pegasus HT time-of-flight mass spectrometer (GC-TOF-MS)....
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# 检查IP地址为10.1.1.4的主机是否可达,设置发送报文次数为8,设置发送报文等待应答的超时时间为4000ms。 <HUAWEI>ping -c 8 -t 4000 10.1.1.4PING 10.1.1.4: 56 data bytes, press CTRL_C to break Reply from 10.1.1.4: bytes=56 Sequence=1 ttl=255 time=32 ms Reply from 10.1.1.4: bytes=56 Seque...
For 100MB buffers with 1000 monsters, dynamically extended monster names, monster vector, and inventory vector, the bandwidth reaches about 2.2GB/s and 45ms/buffer on 2.2GHz Haswell Core i7 CPU. This includes reading back and validating all data. Reading only a few key fields increases bandwidt...
To further investigate how CENP-F stabilises cohesin, we collected 1000 GV, MI, and MII stage oocytes for CENP-F immunoprecipitation. Eluates were prepared for SDS-PAGE, followed by silver staining. Target bands common to each stage were collected and analysed with MALDI/MS to identify CENP-...
假设又过1ms后到达第3个报文1000bytes。在此间隔内,C桶新增令牌125bytes,加上C桶原来剩余的令牌625bytes,此时C桶共有750bytes。令牌数量不够,因此报文被标记为红色。 假设又过20ms后到达第4个报文1500bytes。在此间隔内,C桶新增令牌 = CIR × 20ms = 20000bits = 2500bytes,加上C桶原来剩余的令牌750bytes,...