english diphthongs are ided into both falling diphthongs (the first vowel sound is pronounced longer, louder and stronger than the second one), and rising diphthongs (the second sound is produced longer and stronger than the first
主成分的系数跟样品间的协方差矩阵的特征向量有关系。
关于因子分析中的因子载荷,下列说法中正确的是
名片的保存一般应注意的问题中,错误的是:
the diphthongs /ɪr, εr, ur/ in rp sound like /ɪə, εə ,uə/ in ga.
侧影统计量越小说明聚类效果越好。
在进行因子分析时,得到的各个公共因子
/p/ and /b/ can appear in initial position (as in pin and bin) and also in final position (as in rope and robe).they are in phonemic contrast and said to form a _______________ because they occur in the same environment and distinguish meaning.
english is an official or semi-official language in ( ) countries and regions of the world.
__________ release refers to the air used to produce the stop is released through the nose rather than the mouth, namely, the velum is lowered before the stop closure is removed and the air pressure will be released through the nose instead of the mouth.
the stage of middle english period lasted for about 200 years.
the english words consist of at least one syllable, and many words have two, three, four, or more syllables, and so do the chinese words.
if two adjacent vowel sounds occur in different syllables — for example, in the english word re-elect (/ˌri:ˈɪlekt/) — the result is described as hiatus not as a diphthong.
what languages influenced english vocabulary during the old english period?
what does “cheese” mean in african american english?
【判断题】地理环境没有规定人类从生产到消亡的具体过程、方式或时间。()
营养筛查的主要内容有()
最大引用误差不仅与仪表量程有关,还与被测量的标称值和实际值有关。( )
我国北方地区的偏冬性小麦品种,向南方引种,往往表现为 。
甲状腺
评价机体蛋白质营养状况的主要指标不包括 ()。
consider the initial block in the following: initial begin a = 0; b = 0; #10 a = 1; #20 a = 0; b = 1; end then at t = 30, a is changed to ( ) and b to ( ).