【单选题】__________is the smallest unit of sound in a language that serves to distinguish two words.
【多选题】Which following elements compose all the things to identify a Chinese syllable and to distinguish a Chinese character?
【判断题】Pattern recognition is the study of how machines can observe the environment, learn to distinguish patterns of interest from their background, and make sound and reasonable decisions about the categor...
【单选题】图2.4.1所示的电路共有三个回路,是否也可应用基尔霍夫电压定律列出三个方程,求解三个支路电流?
【判断题】/tr/ and / t ʃ / sound similar, so it is not necessary to distinguish them when speaking English.二者发音相似,所以在讲英语时没必要区分他们。