[PV3D] rotation与 pitch 区别是什么.什么时候用pitch.

可以看出rotation 和 pitch 没有什么可比性.
你的意思是不是有什么特殊的语境啊?能否说明?
rotation指的是循环 旋转,而pitch 的用法意义很多,有音调、理清、投掷等待很多意思,具体什么时候使用pitch还得看具体的语境!,.
pitch【1】
及物动词 vt.
1.搭(帐篷);扎(营)
The boys pitched a tent by the river.
男孩子们在河边搭起了帐蓬.
2.把...定得,把...定在[O]
The prices of these cars are pitched extremely competitively.
这些汽车的售价定得极有竞争性.
3.【音】为...定音高;为...定调[O]
The song is pitched too high for my voice.
这首歌的起音太高了,我唱不上去.
4.带着特定感情说(或写)[O]
He pitched his story in a sentimental strain.
他把故事写得带有伤感情调.
5.投,掷,扔
She pitched the ball as far as she could.
她尽力把球投得远一些.
6.使向前(或向下)跌倒,使向外摔出[O]
The carriage overturned and the passengers were pitched out.
车子翻了,乘客们被摔了出来.
7.【美】【俚】竭力推销
The salesman stood at the door,pitching his products.
推销员站在门口,极力推销他的产品.
8.【主英】【俚】讲述
不及物动词 vi.
1.搭帐篷;安营
They pitched up for the night.
他们扎营过夜.
2.投掷
He nearly always pitches too far.
他几乎总是投得过远.
3.向前跌;猛然摔倒;向外摔出[Q]
The fisherman lost his balance and pitched into the sea.
渔夫失去了平衡,一头栽进海里.
4.(地面,道路等)倾斜[Q]
The roof of the house pitched at a 45°angle.
屋顶倾斜四十五度.
5.(船只等)前后颠簸,摇晃
Our ship pitched about in the storm.
我们的船在暴风雨中颠簸.
名词 n.
1.投;投球[C]
2.【语】【音】音高[C]
Her voice dropped to a lower pitch.
她的声调低了下来.
3.程度;高度;强度[U][S1][(+of)]
The children were in a high pitch of excitement.
孩子们高度兴奋.
4.(船等)前后颠簸[U][the S]
5.(屋顶等的)倾斜度,坡度[U][the S]
The roof has a steep pitch.
屋顶很陡.
6.【口】叫卖,推销[C]
7.【美】【俚】情况,现状[the S]
pitch【2】
名词 n.[U]
1.沥青
The room was as dark as pitch.
房间里漆黑一团.
2.树脂,松脂
及物动词 vt.
1.用沥青涂