high-low-high造句

• Application of high - low - high frequency converter in the induced fan of boiler
  高低高变频器在锅炉引风机上的应用
• The results indicated : ( 1 ) the significant gender and grade differences of college students " cdmse were demonstrated , but there were no significant differences in specialty . ( 2 ) generally , with the development of grades , college students " cdmse scores showed a high - low - high developmental trend . ( 3 ) a significant negative correlation between cdmse scores and trait anxiety at the . 01 level was reported , as well as between cdmse scores and internal - external locus of control
  研究结果表明： （ 1 ）大学生在择业效能感上存在显著的性别和年级差异，并不存在专业差异； （ 2 ）就总体而言，随着年级的升高，大学生的择业效能感呈现出高-低-高的发展趋势； （ 3 ）大学生的择业效能感与特质焦虑和内-外心理控制源之间都存在极其显著的负相关，特质焦虑和内-外心理控制源之间则存在极其显著的正相关。
• Dominant concentration of ck group and trees sprayed with low concentration of " kky " ( 600 times , 700 times ) indicated the following change trend of high - low - high , while the application of high concentration showed the reverse tendency of low - high - low , and diversity level of ck and low concentration significantly exceeded that of high concentration
  结果表明，时照株及低浓度喷施株（ 600倍、 700倍）的优势集中性表现为高低高变化；高浓度喷施株表现相反趋势，为低高低；多样性水平低浓度喷施株高于高浓度喷施株。
• Then , the effect of heavily doped boron on ig of czochralski silicon was also investigated . it is found that no dz ( denuded zones ) were observed in the hb samples subjected to high one - step temperature , ramping annealing respectively . for conventional high - low - high three - step ig annealing , the dz becomes narrower and bmd density is higher in hb samples than that in lb samples , as a result of hb enhancing oxygen precipitation
  结果显示，单步高温热处理时重掺硼样品不能形成洁净区；降温退火中，降温速度较为缓慢( 3 / min )时能生成一定量的氧沉淀，但没有洁净区形成；普通高?低?高三步热处理过程中，形成明显的洁净区，但相对轻掺样品而言，洁净区较窄，氧沉淀密度明显偏高，说明重掺硼样品吸杂能力强。