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- It was shown that the ground touching cross step techniques could reduce the time for the right leg surrorting the body and quicken the touching ground of the left foot, so that during the last stage the result of double supporting would be better. 結果表明，扒地式交叉步技術(shù)能有效的減少右腳單支撐的時(shí)間，促進(jìn)左腿盡快著(zhù)地，使最后用力進(jìn)入雙支撐用力階段的效果更加突出，更有利于提高運動(dòng)成績(jì)。
- Gene effects and effective gene number on litter size in pig are estimated from the mean and the mean variances of 6 generations including Taihu Pig(P1),Landrace (P2),first cross(F1),second cross(F2),third cross(F3)and back cross(B2). 利用太湖豬（P1）、長(cháng)白豬（P2）、雜交一代（F1）、雜交二代（F2）、雜交三代（F3）； 和回交一代（B2）等6個(gè)世代產(chǎn)仔數的材料，分析了豬產(chǎn)仔性狀的基因效應和基因數。
- In order to analysis the genetic characteristic of male sterility, test cross, sister cross, back cross, reciprocal cross and self-pollination were conducted with these male sterule plants. 通過(guò)正交和反交對不育株的所屬類(lèi)型進(jìn)行分析，結合自交、回交分析其遺傳特點(diǎn)。
- In the javelin throw, the left leg plays the roles of guiding, braking and sustaining in the join of cross steps and final force. 投擲標槍中，左腿在交叉步與最后用力的銜接中起到了引導、動(dòng)和支撐的作用。
- Back Cross in Fallaway position leading to Wing 并退步位置的后退交叉進(jìn)入翼步
- A near isogenic line strain(NILs)was selected by repeated back crossing.Two NILs of dimehypo-resistance(Rd)and cartap-resistance(Rp)were selected by 12 generations back crossing. 通過(guò)12代回交，建立了抗殺蟲(chóng)雙和抗殺螟丹近等基因系，并對其多功能氧化酶環(huán)氧化活性和生物學(xué)特性進(jìn)行了比較研究。
- Rose bushes shoot again after being cut back. 玫瑰叢修剪後還能再長(cháng)出新枝。
- She can keep calmed and step back. 她能夠保持冷靜后退一步來(lái)思考問(wèn)題
- Let's step back and ask whether it is worth all the trouble. 讓我們后退一步問(wèn)問(wèn)這些麻煩是不是劃得來(lái)。
- Back cross breeding techniques by Taigu genic male sterile wheat 利用太谷核不育小麥進(jìn)行小麥回交育種技術(shù)簡(jiǎn)介
- He trudge three hour in the snow to get back home. 他在雪中跋涉三個(gè)鐘點(diǎn)才回到家。
- The crowd fell back to let the players through. 人群后退讓運動(dòng)員們通過(guò)。
- Do exercise every day and you'll be back in condition. 每天鍛煉鍛煉，你很快會(huì )恢復健康的。
- The ship beat back against a monsoon. 船逆著(zhù)季風(fēng)艱難地行駛。
- Lecture four: shake hands and cross steps 第四講:晃手錯步
- Lecture two: cross steps and push fan ahead 第二講:錯步推扇
- I flap the flies away but soon they fly back. 我把蒼蠅趕走，但一會(huì )兒又飛回來(lái)了。
- I never lend books; you never get them back. 我的書(shū)決不外借，因為總是有去無(wú)回。
- She leaned her head back and whispered the news. 她向后仰著(zhù)頭，小聲說(shuō)出了這個(gè)消息。
- The talks have been put back to Friday morning. 談判推遲到星期五早上進(jìn)行。
