Noun:

1. the parity of even numbers (divisible by two)

2. a quality of uniformity and lack of variation

3. the quality of being balanced

equalityn.同等；平等；[数]等式

justicen.公平；公正；正义；司法；法官；法律制裁

consistencyn.连贯；一致性；强度；硬度；浓稠度

samenessn.千篇一律；相同；单调

symmetryn.对称(性)；匀称；整齐

uniformityn.一致；同样

flatnessn.平坦；平滑；平淡

steadinessn.稳健；坚定；不变

constancyn.坚定不移；恒久不变；忠诚；【生】恒有度

levelnessn.水平度

invariabilityn.不变；不变性；安定性

unevennessn.不平坦；不平衡；不匀性

1. This is a very simple and natural test, play all the notes slowly and with the same amount of effort, and check for their evenness.
   这是个非常简单且平常的测试，就是用一样的力度缓慢地把所有音吹过一遍，检查看看那些音是否平均。