Tip 4: Don't save values that can be calculated in a database.
技巧4：不要保存能从数据库中计算出来的值。
Tip 4: Group or sort comments by Date Last Modified to call to attention to comment threads that are "active" (comments or replies that have been made recently).
技巧4：根据DateLastModified来分组或者分类，以引起对“活性”(最近所做的注释或者评论)注释线程的注意。
When your services are rendered at 4 a. m., you can't simply hang around, like a hotel bellboy expecting a tip.
当你的服务时间是在凌晨四点的时候，你不能只是在那里等着，像酒店的服务生那样期待着小费。
BUDGET TIP: If you're keen to do some cheap sightseeing, London Bus Route 4 is a good one to catch.
温馨贴士：如果你很享受观光的乐趣，乘坐公交4路是个不错的选择。
Tip #4 Evolve Reusable Assets Iteratively
提示4——迭代演进可重用的资产
LinkedIn enables you to just make direct contact, and that's my advice — if you can show success (see tip no. 4).
Linked in能让你直接与VC联系，那也是我的建议——如果你能展示你的过人之处(参见秘诀四)。
Tip No.4: Who doesn't dream of a Hawaiian vacation?
秘诀四：谁不曾梦想在夏威夷度假呢？
Tip: Remind yourself that there are more than 4, 000 chemicals in cigarettes, some of which are used in insect and rat poisons!
小贴士：提醒自己，烟里含有4000多种化学物质，其中有些甚至是杀虫剂和老鼠药的成分。
Tip #4: Work In Intervals Of 60-60-30 – It works!
Tip #4:以60-60-30的时间间隔工作 – 相信我，这很有用!
In Zhou's photos, the change in glisten on the tip of nose can be judged clearly (Fig 4).
在周的照片中，老虎的鼻尖反光可以清楚地判断出来（图4）。
Tip No. 4: Don't get flustered when uncomfortable questions arise.
小妙招4：遇到尴尬问题时，不要慌张。
The result showed that the primordial meristem at the tip of rhizome was surrounded by 4 ~ 7 bud scale.
研究结果表明：根状茎顶端的原分生组织由4 ~ 7个鳞片包被。
About 4 weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.
传粉后约4周，珠心顶端破裂，分泌物进入珠孔道，并与珠被分泌物共同作用于花粉，使花粉向珠心移动。
Effects on mitosis and chromosomal aberrations of tobacco root tip cells were observed by the method of artificially inducing para-nodule treated with 2, 4-d and rhizobium.
通过人工诱导烟草结瘤的方法，观察给予2,4 - D、根瘤菌后，其对烟草根尖细胞有丝分裂和染色体畸变的影响。
Longer from occiput to tip of nose than broad at widest part of skull in a ratio of 7:4.
后枕骨到鼻尖的距离较长，与脑袋最宽处的宽度相比，比例约为7：4。
The 'Print' in Step 3 is the "Tool tip name, " and the 'Prints the active document' from Step 4 is the "description of the button for the status bar.
步骤3中的“打印”是“工具提示名”，步骤4中的“打印活动文档”是“状态栏中的按钮说明”。
In the experiment, a simplified aircraft model (with tail wing) is employed to construct a 4-vortex wake system consisting of a pair of tip vortices and a pair of counter rotating tail plane vortices.
试验采用简化的飞机模型(有尾翼)，建立了包含一对翼尖涡及一对反向旋转的尾翼涡(通过以负迎角安装尾翼得到)的4涡尾流系统。
Effects of 1, 2, 4-trichlorobenzene (TCB) stress on seedling growth, cell division and chromosomal aberration frequency of root-tip cells of Vicia faba were studied.
研究了1,2,4三氯苯(TCB)对蚕豆幼苗生长、根尖细胞分裂及染色体畸变的影响。
The invention is related to a lancet wheel (1) having a plurality of lancets (2) in a ring-shaped arrangement, the lancets (2) comprising a lancet body (4) that ends in a lancet tip (3).
本发明涉及一种具有成环形布置的多个柳叶刀（2）的柳叶刀轮（1）， 所述柳叶刀（2）包括终止于柳叶刀尖端（3）处的柳叶刀身（4）。
Among 20 kinds of abnormal postures of 4 types, lower limb across, tip foot, head shaking and upper-limb back stretching were the most common.
本组资料共有4类20种异常姿势，以下肢交又、尖足、头不稳定和上肢后伸等最常见。
After 250 USES (roughly 2-4 months use) the tip of the pin has been worn by the key, leaving fewer distinct picking marks.
经过250次(大约2 -4个月的使用)珠子的尖端就会被钥匙磨损，曾经留下的痕迹就会变得模糊。
NBA COMMISSIONER David Stern called the media together 30 minutes before the game, everybody figuring he was going to tip them on who might win game 4.
比赛开打30分钟前，NBA总裁斯特恩把所有的媒体召集起来，所有人猜测他将暗示媒体谁将是第四场比赛的胜者。
Yushu 4 and Yushu 12 were used to study the effects of auxins(IBA and NAA), temperature and illumination time on plantlets regeneration from subcultured tip meristem in sweet potato.
以豫薯4号和豫薯12号为试材，研究了生长素类物质（IBA和NAA）、温度和光照时间对转移后甘薯茎尖分生组织培养成苗的影响。
When AF occurs, one common electrophysiological catheter and one ablation catheter with a 4 mm tip electrode were used to discharge between coronary sinus and right auricle.
房颤发作时采用普通电生理导管及消融导管在冠状窦与右心耳间放电。
When AF occurs, one common electrophysiological catheter and one ablation catheter with a 4 mm tip electrode were used to discharge between coronary sinus and right auricle.
房颤发作时采用普通电生理导管及消融导管在冠状窦与右心耳间放电。
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