generally speaking, the place and the manner of articulation are the two common features of any languages except the voicing, which is language specific. for example, voicing is a distinctive feature of mandarin chinese, whereas aspiration is the distinctive feature of english.
in a complex low level head, there is no upward movement in the head. the onset and all the remaining syllables of the head are uttered on a low pitch.
球应力不能使物体产生 变化和塑性变形，而只能产生 变化。
平面应力状态、平面应变状态和轴对称状态及纯切应力状态的应力特点有哪些？
the manner of articulation refers to the way in which the airstream is obstructed. for example, with plosive sounds, the articulation acts in such a way that the air is temporarily trapped, and then suddenly released.
a syllabic consonant is to be interpreted phonologically as /ə/ plus a consonant, but phonetically as the under-stroke [ ˌ ] combining vertical line below a consonant. thus, the word button is phonologically ['bʌtn̩] but phonetically /'bʌtən/.
not all english vowel phonemes can occur in the cv syllable pattern, but all can appear in the cvc pattern.
硬质合金轧辊的摩擦系数比合金钢轧辊摩擦系数低
like all languages in the world, english phonemes are also ided into vowels and consonants. the distinction between the two lies in the obstruction of __________.
球应力只能使物体产生形状变化和塑性变形。
相对应变是对数应变。
任意一点的应力状态，一定存在相互垂直：
the pitch movement is associated with secondary stress, but not with primary stress.