isochronal iso=same
Equal in duration.
Characterized by or occurring at equal intervals of time.
adj. 等时的；等时线的

iso-ide-ident [ident=same(相同)]

identity

词汇起源
‘individuality, set of definitive characteristics’, arose from the notion of something always being the same or always being itself (rather than something else).

The collective aspect of the set of characteristics by which a thing is definitively recognizable or known: “If the broadcast group is the financial guts of the company, the news division is its public identity” (Bill Powell).
The set of behavioral or personal characteristics by which an individual is recognizable as a member of a group.
The quality or condition of being the same as something else.
The distinct personality of an individual regarded as a persisting entity; individuality.
Mathematics. An equation that is satisfied by any number that replaces the letter for which the equation is defined. Identity element.
n. 身份；同一性，一致；特性；恒等式

词组短语：
identity card 身份证
cultural identity 文化身份；文化认同
national identity 国家认同；民族认同
brand identity 品牌识别；品牌标识；品牌同一性

例句：
The experts established the identity of the bronze bell with one described in an old document.
专家们确定这口青铜钟就是一份古文献中所描述的那口。
The identity of the fingerprints on the gun proved that he was the killer.
留在枪上的指纹证实他就是杀人者。

identical
Being the same: another orator who used the senator's identical words.
Exactly equal and alike.
Having such a close similarity or resemblance as to be essentially equal or interchangeable.
adj. 同一的；完全相同的
n. 完全相同的事物

例句：
She wore the identical dress on both occasions.
她在两个场合穿戴同一套衣服。
The two words are identical in meaning.
这两个字的字义完全一样。

identify
To establish the identity of.
To ascertain the origin, nature, or definitive characteristics of.
Biology. To determine the taxonomic classification of (an organism).
To consider as identical or united; equate.
To associate or affiliate (oneself) closely with a person or group.
To establish an identification with another or others.
vt. 确定；识别；使参与；把…看成一样
vi. 确定；认同；一致

例句：
The politician refused to identify himself with the Administration's foreign policy.
那位政治家拒不支持政府的外交政策。
I identified with the heroine of the novel.
我与小说中的那个女主人公感同身受。

identification
The act of identifying. The state of being identified.
Abbr. ID Proof or evidence of identity.
Psychology. A person's association with or assumption of the qualities, characteristics, or views of another person or group.
n. 鉴定，识别；认同；身份证明

例句：
The identification of rabies virus has saved many lives.
狂犬病病毒的确认挽救了许多人的性命。
His identification with the hero of the book made him sleepless.
对书中主人公的同情使他睡不着。