心率测试仪

轨道偏心率矮行星:

冥王星: 0.2482

轨道偏心率自然卫星:

月球 ：轨道偏心率 0.0549

海卫二：0.75122100433B

偏心率（Eccentricity）是用来描述圆锥曲线轨道形状的数学量，定义为曲线到定点（焦点）的距离与到定直线（准线）的距离之比。对于椭圆，偏心率即为两焦点间的距离（焦距，2c）和长轴长度（2a）的比值，即e=c/a（偏心率一般用e表示）。轨道偏心率即天体运行轨道的的偏心率。

最好的健康和健身应用程序在移动总理奖2011根据陪审团的业内专家和奥兹医生秀上看到。 看到每一个心跳在监视器上,就像在ER的房间。测量你的心率立刻! 即时心率使用你的iPhone的摄像头检测脉冲从你的指尖——利用类似的技术用于脉搏血氧仪。 把你的食指尖在iPhone的摄像头,几秒你的脉冲将被显示。即时心率会发声与你的脉搏。实时图表将显示你每一个心跳。 加入超过2500万用户已经在使用它。 The best Health & Fitness app on Mobile Premier Awards 2011 according to the jury of industry experts and as seen on Dr. OZ show. See every heart beat on the monitor, just like in ER rooms. Measure your heart rate instantly! Instant Heart Rate uses your iPhone's camera to detect the pulse from your fingertip - leveraging similar technique as used in pulse oximeters. Place the tip of your index finger on the iPhone’s camera, and in a couple of seconds your pulse will be shown. Instant Heart Rate will beep with your pulse. A real-time chart will show you every heart beat. Join over 25 million users who are already using it. Features: - Heart pulse measurement - Real-time PPG graph - Continuos or Auto-Stop mode - Heart Rate Zones - Pulse waveform graphs - One week data storage and tags - Export data for registered users - Sharing to Twitter and Facebook - StandUP test for fatigue and fitness testing as an in-app purchase. NOTE: Works best on iPhone 4/4S/5 because it has flash. On iPhone 3GS and iPod touch it has to be used in good lighting. NOTE: Make sure that your fingertip completely covers the camera lens. Press gently, since pressing too hard reduces blood flow in your finger and it's harder to get a result. Make sure that your fingers are not cold. This app is for recreational and fitness use only! From our heart to yours, Azumio Team